55570572 has 36 divisors (see below), whose sum is σ = 140904400. Its totient is φ = 18466272.

The previous prime is 55570561. The next prime is 55570601. The reversal of 55570572 is 27507555.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10353 + ... + 14775.

Almost surely, 2^55570572 is an apocalyptic number.

It is an amenable number.

55570572 is an abundant number, since it is smaller than the sum of its proper divisors (85333828).

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

55570572 is a wasteful number, since it uses less digits than its factorization.

55570572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782 (or 4777 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The square root of 55570572 is about 7454.5671906557. The cubic root of 55570572 is about 381.6057901631.

The spelling of 55570572 in words is "fifty-five million, five hundred seventy thousand, five hundred seventy-two".