55811940900 has 72 divisors (see below), whose sum is σ = 164219593440. Its totient is φ = 14630922240.

The previous prime is 55811940857. The next prime is 55811940929. The reversal of 55811940900 is 904911855.

55811940900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55811940900² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1558909 + ... + 1594308.

Almost surely, 2^55811940900 is an apocalyptic number.

55811940900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55811940900 is an abundant number, since it is smaller than the sum of its proper divisors (108407652540).

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

55811940900 is a wasteful number, since it uses less digits than its factorization.

55811940900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153293 (or 3153286 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 42.

The spelling of 55811940900 in words is "fifty-five billion, eight hundred eleven million, nine hundred forty thousand, nine hundred".