55255500500 has 48 divisors (see below), whose sum is σ = 124570887168. Its totient is φ = 21389220000.

The previous prime is 55255500493. The next prime is 55255500511. The reversal of 55255500500 is 500555255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1766936 + ... + 1797935.

It is an arithmetic number, because the mean of its divisors is an integer number (2595226816).

Almost surely, 2^55255500500 is an apocalyptic number.

55255500500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55255500500 is an abundant number, since it is smaller than the sum of its proper divisors (69315386668).

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

55255500500 is a wasteful number, since it uses less digits than its factorization.

55255500500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564921 (or 3564909 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 32.

The spelling of 55255500500 in words is "fifty-five billion, two hundred fifty-five million, five hundred thousand, five hundred".