56683977 has 16 divisors (see below), whose sum is σ = 88007040. Its totient is φ = 31779072.

The previous prime is 56683961. The next prime is 56683997. The reversal of 56683977 is 77938665.

It is not a de Polignac number, because 56683977 - 2⁴ = 56683961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56683997) 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, 24352 + ... + 26577.

It is an arithmetic number, because the mean of its divisors is an integer number (5500440).

Almost surely, 2^56683977 is an apocalyptic number.

It is an amenable number.

56683977 is a deficient number, since it is larger than the sum of its proper divisors (31323063).

56683977 is a wasteful number, since it uses less digits than its factorization.

56683977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50992.

The product of its digits is 1905120, while the sum is 51.

The square root of 56683977 is about 7528.8762109627. The cubic root of 56683977 is about 384.1375578682.

The spelling of 56683977 in words is "fifty-six million, six hundred eighty-three thousand, nine hundred seventy-seven".