55566572 has 6 divisors (see below), whose sum is σ = 97241508. Its totient is φ = 27783284.

The previous prime is 55566569. The next prime is 55566587. The reversal of 55566572 is 27566555.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6945818 + ... + 6945825.

It is an arithmetic number, because the mean of its divisors is an integer number (16206918).

Almost surely, 2^55566572 is an apocalyptic number.

It is an amenable number.

55566572 is a deficient number, since it is larger than the sum of its proper divisors (41674936).

55566572 is a wasteful number, since it uses less digits than its factorization.

55566572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13891647 (or 13891645 counting only the distinct ones).

The product of its digits is 315000, while the sum is 41.

The square root of 55566572 is about 7454.2988939269. The cubic root of 55566572 is about 381.5966338792.

The spelling of 55566572 in words is "fifty-five million, five hundred sixty-six thousand, five hundred seventy-two".