56646552 has 32 divisors (see below), whose sum is σ = 143941680. Its totient is φ = 18572160.

The previous prime is 56646529. The next prime is 56646553. The reversal of 56646552 is 25564665.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56646552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56646553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17883 + ... + 20810.

Almost surely, 2^56646552 is an apocalyptic number.

It is an amenable number.

56646552 is an abundant number, since it is smaller than the sum of its proper divisors (87295128).

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

56646552 is a wasteful number, since it uses less digits than its factorization.

56646552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38763 (or 38759 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 56646552 is about 7526.3903698918. The cubic root of 56646552 is about 384.0529983274.

The spelling of 56646552 in words is "fifty-six million, six hundred forty-six thousand, five hundred fifty-two".