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55808055050 = 25211101469191
BaseRepresentation
bin110011111110011010…
…110101011100001010
312100001100200221022212
4303332122311130022
51403243330230200
641345440145122
74013655432566
oct637632653412
9170040627285
1055808055050
1121739212850
12a9960081a2
1353551419a7
1429b5c566a6
1516b9715035
hexcfe6b570a

55808055050 has 24 divisors (see below), whose sum is σ = 113239618272. Its totient is φ = 20293838000.

The previous prime is 55808055049. The next prime is 55808055113. The reversal of 55808055050 is 5055080855.

It is a super-2 number, since 2×558080550502 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55808054989 and 55808055007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50734046 + ... + 50735145.

It is an arithmetic number, because the mean of its divisors is an integer number (4718317428).

Almost surely, 255808055050 is an apocalyptic number.

55808055050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55808055050 is an abundant number, since it is smaller than the sum of its proper divisors (57431563222).

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

55808055050 is a wasteful number, since it uses less digits than its factorization.

55808055050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101469214 (or 101469209 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 41.

It can be divided in two parts, 5580805 and 5050, that added together give a palindrome (5585855).

The spelling of 55808055050 in words is "fifty-five billion, eight hundred eight million, fifty-five thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 101469191 202938382 507345955 1014691910 1116161101 2232322202 2536729775 5073459550 5580805505 11161611010 27904027525 55808055050