56686933 has 4 divisors (see below), whose sum is σ = 56714368. Its totient is φ = 56659500.

The previous prime is 56686913. The next prime is 56686963. The reversal of 56686933 is 33968665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56686933 - 2¹⁷ = 56555861 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 (56686913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10341 + ... + 14842.

It is an arithmetic number, because the mean of its divisors is an integer number (14178592).

Almost surely, 2^56686933 is an apocalyptic number.

It is an amenable number.

56686933 is a deficient number, since it is larger than the sum of its proper divisors (27435).

56686933 is a wasteful number, since it uses less digits than its factorization.

56686933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27434.

The product of its digits is 699840, while the sum is 46.

The square root of 56686933 is about 7529.0725192417. The cubic root of 56686933 is about 384.1442351866.

The spelling of 56686933 in words is "fifty-six million, six hundred eighty-six thousand, nine hundred thirty-three".