56676657 has 12 divisors (see below), whose sum is σ = 80276816. Its totient is φ = 35561280.

The previous prime is 56676541. The next prime is 56676661. The reversal of 56676657 is 75667665.

It is not a de Polignac number, because 56676657 - 2¹⁴ = 56660273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56676457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31819 + ... + 33552.

Almost surely, 2^56676657 is an apocalyptic number.

It is an amenable number.

56676657 is a deficient number, since it is larger than the sum of its proper divisors (23600159).

56676657 is a wasteful number, since it uses less digits than its factorization.

56676657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65408 (or 65391 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 48.

The square root of 56676657 is about 7528.3900669399. The cubic root of 56676657 is about 384.1210216963.

The spelling of 56676657 in words is "fifty-six million, six hundred seventy-six thousand, six hundred fifty-seven".