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55095500555500 = 22531012414526971
BaseRepresentation
bin11001000011011111010111…
…01111010100010011101100
321020002002010011102021022011
430201233223233110103230
524210141041120234000
6313102305030131004
714414342602463626
oct1441575357242354
9236062104367264
1055095500555500
11166119637aa479
126219a637b0a64
132498639085c82
14d868ca60bc16
1565826158c2ba
hex321bebbd44ec

55095500555500 has 96 divisors (see below), whose sum is σ = 122024204318016. Its totient is φ = 21729456000000.

The previous prime is 55095500555461. The next prime is 55095500555507. The reversal of 55095500555500 is 555500559055.

It is a super-2 number, since 2×550955005555002 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55095500555507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9907015 + ... + 14433985.

It is an arithmetic number, because the mean of its divisors is an integer number (1271085461646).

Almost surely, 255095500555500 is an apocalyptic number.

55095500555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55095500555500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61012102159008).

55095500555500 is an abundant number, since it is smaller than the sum of its proper divisors (66928703762516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55095500555500 is a wasteful number, since it uses less digits than its factorization.

55095500555500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527332 (or 4527320 counting only the distinct ones).

The product of its (nonzero) digits is 3515625, while the sum is 49.

The spelling of 55095500555500 in words is "fifty-five trillion, ninety-five billion, five hundred million, five hundred fifty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 125 202 241 250 404 482 500 505 964 1010 1205 2020 2410 2525 4820 5050 6025 10100 12050 12625 24100 24341 25250 30125 48682 50500 60250 97364 120500 121705 243410 486820 608525 1217050 2434100 3042625 4526971 6085250 9053942 12170500 18107884 22634855 45269710 90539420 113174275 226348550 452697100 457224071 565871375 914448142 1091000011 1131742750 1828896284 2182000022 2263485500 2286120355 4364000044 4572240710 5455000055 9144481420 10910000110 11430601775 21820000220 22861203550 27275000275 45722407100 54550000550 57153008875 109100001100 110191001111 114306017750 136375001375 220382002222 228612035500 272750002750 440764004444 545500005500 550955005555 1101910011110 2203820022220 2754775027775 5509550055550 11019100111100 13773875138875 27547750277750 55095500555500