55572859925 has 48 divisors (see below), whose sum is σ = 76866223104. Its totient is φ = 39509400000.

The previous prime is 55572859891. The next prime is 55572859939. The reversal of 55572859925 is 52995827555.

It is a de Polignac number, because none of the positive numbers 2^k-55572859925 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13582130 + ... + 13586220.

It is an arithmetic number, because the mean of its divisors is an integer number (1601379648).

Almost surely, 2^55572859925 is an apocalyptic number.

55572859925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55572859925 is a deficient number, since it is larger than the sum of its proper divisors (21293363179).

55572859925 is a wasteful number, since it uses less digits than its factorization.

55572859925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210 (or 5205 counting only the distinct ones).

The product of its digits is 56700000, while the sum is 62.

The spelling of 55572859925 in words is "fifty-five billion, five hundred seventy-two million, eight hundred fifty-nine thousand, nine hundred twenty-five".