56666252 has 12 divisors (see below), whose sum is σ = 100148496. Its totient is φ = 28052400.

The previous prime is 56666249. The next prime is 56666263. The reversal of 56666252 is 25266665.

It is a super-2 number, since 2×56666252² = 6422128231455008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69728 + ... + 70535.

It is an arithmetic number, because the mean of its divisors is an integer number (8345708).

Almost surely, 2^56666252 is an apocalyptic number.

It is an amenable number.

56666252 is a deficient number, since it is larger than the sum of its proper divisors (43482244).

56666252 is a wasteful number, since it uses less digits than its factorization.

56666252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140368 (or 140366 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 56666252 is about 7527.6989844175. The cubic root of 56666252 is about 384.0975139358.

The spelling of 56666252 in words is "fifty-six million, six hundred sixty-six thousand, two hundred fifty-two".