56217752 has 8 divisors (see below), whose sum is σ = 105408300. Its totient is φ = 28108872.

The previous prime is 56217719. The next prime is 56217767. The reversal of 56217752 is 25771265.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3513602 + ... + 3513617.

Almost surely, 2^56217752 is an apocalyptic number.

It is an amenable number.

56217752 is a deficient number, since it is larger than the sum of its proper divisors (49190548).

56217752 is a wasteful number, since it uses less digits than its factorization.

56217752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027225 (or 7027221 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 56217752 is about 7497.8498251165. The cubic root of 56217752 is about 383.0814816175.

The spelling of 56217752 in words is "fifty-six million, two hundred seventeen thousand, seven hundred fifty-two".