52555572 has 36 divisors (see below), whose sum is σ = 133363776. Its totient is φ = 17450640.

The previous prime is 52555543. The next prime is 52555583. The reversal of 52555572 is 27555525.

52555572 is a `hidden beast` number, since 52 + 55 + 557 + 2 = 666.

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 a congruent number.

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, 7063 + ... + 12449.

Almost surely, 2^52555572 is an apocalyptic number.

It is an amenable number.

52555572 is an abundant number, since it is smaller than the sum of its proper divisors (80808204).

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

52555572 is a wasteful number, since it uses less digits than its factorization.

52555572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668 (or 5663 counting only the distinct ones).

The product of its digits is 87500, while the sum is 36.

The square root of 52555572 is about 7249.5221911516. The cubic root of 52555572 is about 374.5756907455.

The spelling of 52555572 in words is "fifty-two million, five hundred fifty-five thousand, five hundred seventy-two".