55023534120 has 64 divisors (see below), whose sum is σ = 173758536000. Its totient is φ = 13900681728.

The previous prime is 55023534061. The next prime is 55023534149. The reversal of 55023534120 is 2143532055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12064285 + ... + 12068844.

It is an arithmetic number, because the mean of its divisors is an integer number (2714977125).

Almost surely, 2^55023534120 is an apocalyptic number.

It is an amenable number.

55023534120 is an abundant number, since it is smaller than the sum of its proper divisors (118735001880).

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

55023534120 is a wasteful number, since it uses less digits than its factorization.

55023534120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24133162 (or 24133158 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 55023534120 in words is "fifty-five billion, twenty-three million, five hundred thirty-four thousand, one hundred twenty".