56657016 has 64 divisors (see below), whose sum is σ = 169495200. Its totient is φ = 17432064.

The previous prime is 56657011. The next prime is 56657023. The reversal of 56657016 is 61075665.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56657011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7281 + ... + 12896.

Almost surely, 2^56657016 is an apocalyptic number.

It is an amenable number.

56657016 is an abundant number, since it is smaller than the sum of its proper divisors (112838184).

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

56657016 is a wasteful number, since it uses less digits than its factorization.

56657016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20205 (or 20195 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 56657016 is about 7527.0854917425. The cubic root of 56657016 is about 384.0766448572.

The spelling of 56657016 in words is "fifty-six million, six hundred fifty-seven thousand, sixteen".