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55555050500 = 2253537129527
BaseRepresentation
bin110011101111010101…
…101100110000000100
312022101201121222022222
4303233111230300010
51402234043104000
641304401311512
74004464065155
oct635725546004
9168351558288
1055555050500
1121619417784
12a925335598
1353148b9861
1429903d792c
1516a23daa85
hexcef56cc04

55555050500 has 96 divisors (see below), whose sum is σ = 125366911488. Its totient is φ = 21494928000.

The previous prime is 55555050427. The next prime is 55555050503. The reversal of 55555050500 is 505055555.

55555050500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55555050503) 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, 1866737 + ... + 1896263.

It is an arithmetic number, because the mean of its divisors is an integer number (1305905328).

Almost surely, 255555050500 is an apocalyptic number.

55555050500 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 55555050500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62683455744).

55555050500 is an abundant number, since it is smaller than the sum of its proper divisors (69811860988).

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

55555050500 is a wasteful number, since it uses less digits than its factorization.

55555050500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29670 (or 29658 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

It can be divided in two parts, 55 and 555050500, that added together give a palindrome (555050555).

The spelling of 55555050500 in words is "fifty-five billion, five hundred fifty-five million, fifty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 53 71 100 106 125 142 212 250 265 284 355 500 530 710 1060 1325 1420 1775 2650 3550 3763 5300 6625 7100 7526 8875 13250 15052 17750 18815 26500 29527 35500 37630 59054 75260 94075 118108 147635 188150 295270 376300 470375 590540 738175 940750 1476350 1564931 1881500 2096417 2952700 3129862 3690875 4192834 6259724 7381750 7824655 8385668 10482085 14763500 15649310 20964170 31298620 39123275 41928340 52410425 78246550 104820850 111110101 156493100 195616375 209641700 222220202 262052125 391232750 444440404 524104250 555550505 782465500 1048208500 1111101010 2222202020 2777752525 5555505050 11111010100 13888762625 27777525250 55555050500