56671936 has 28 divisors (see below), whose sum is σ = 115079272. Its totient is φ = 27675648.

The previous prime is 56671921. The next prime is 56671943. The reversal of 56671936 is 63917665.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 56671892 and 56671901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7545 + ... + 13048.

It is an arithmetic number, because the mean of its divisors is an integer number (4109974).

Almost surely, 2^56671936 is an apocalyptic number.

It is an amenable number.

56671936 is an abundant number, since it is smaller than the sum of its proper divisors (58407336).

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

56671936 is a wasteful number, since it uses less digits than its factorization.

56671936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20648 (or 20638 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 56671936 is about 7528.0765139576. The cubic root of 56671936 is about 384.1103560137.

The spelling of 56671936 in words is "fifty-six million, six hundred seventy-one thousand, nine hundred thirty-six".