55699623112 has 32 divisors (see below), whose sum is σ = 124545744000. Its totient is φ = 22833385344.

The previous prime is 55699623101. The next prime is 55699623173. The reversal of 55699623112 is 21132699655.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21621237 + ... + 21623812.

It is an arithmetic number, because the mean of its divisors is an integer number (3892054500).

Almost surely, 2^55699623112 is an apocalyptic number.

It is an amenable number.

55699623112 is an abundant number, since it is smaller than the sum of its proper divisors (68846120888).

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

55699623112 is a wasteful number, since it uses less digits than its factorization.

55699623112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43245085 (or 43245081 counting only the distinct ones).

The product of its digits is 874800, while the sum is 49.

The spelling of 55699623112 in words is "fifty-five billion, six hundred ninety-nine million, six hundred twenty-three thousand, one hundred twelve".