55110512100 has 144 divisors (see below), whose sum is σ = 187157548928. Its totient is φ = 12256220160.

The previous prime is 55110512081. The next prime is 55110512117. The reversal of 55110512100 is 121501155.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 276937 + ... + 432336.

Almost surely, 2^55110512100 is an apocalyptic number.

55110512100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55110512100 is an abundant number, since it is smaller than the sum of its proper divisors (132047036828).

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

55110512100 is a wasteful number, since it uses less digits than its factorization.

55110512100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709334 (or 709327 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 21.

The spelling of 55110512100 in words is "fifty-five billion, one hundred ten million, five hundred twelve thousand, one hundred".