56616957 has 12 divisors (see below), whose sum is σ = 81845920. Its totient is φ = 37714248.

The previous prime is 56616929. The next prime is 56616983. The reversal of 56616957 is 75961665.

It is not a de Polignac number, because 56616957 - 2¹² = 56612861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56616907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18168 + ... + 21054.

Almost surely, 2^56616957 is an apocalyptic number.

It is an amenable number.

56616957 is a deficient number, since it is larger than the sum of its proper divisors (25228963).

56616957 is a wasteful number, since it uses less digits than its factorization.

56616957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072 (or 5069 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 56616957 is about 7524.4240311136. The cubic root of 56616957 is about 383.9861038266.

The spelling of 56616957 in words is "fifty-six million, six hundred sixteen thousand, nine hundred fifty-seven".