55112560 has 20 divisors (see below), whose sum is σ = 128136888. Its totient is φ = 22044992.

The previous prime is 55112537. The next prime is 55112579. The reversal of 55112560 is 6521155.

55112560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344374 + ... + 344533.

Almost surely, 2^55112560 is an apocalyptic number.

It is an amenable number.

55112560 is an abundant number, since it is smaller than the sum of its proper divisors (73024328).

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

55112560 is a wasteful number, since it uses less digits than its factorization.

55112560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688920 (or 688914 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 55112560 is about 7423.7834020127. The cubic root of 55112560 is about 380.5544998007.

The spelling of 55112560 in words is "fifty-five million, one hundred twelve thousand, five hundred sixty".