56946939 has 16 divisors (see below), whose sum is σ = 88624128. Its totient is φ = 31848192.

The previous prime is 56946893. The next prime is 56946961. The reversal of 56946939 is 93964965.

It is a happy number.

It is not a de Polignac number, because 56946939 - 2⁸ = 56946683 is a prime.

It is a super-2 number, since 2×56946939² = 6485907722939442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56946891 and 56946900.

It is not an unprimeable number, because it can be changed into a prime (56946979) 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, 27862 + ... + 29835.

It is an arithmetic number, because the mean of its divisors is an integer number (5539008).

Almost surely, 2^56946939 is an apocalyptic number.

56946939 is a deficient number, since it is larger than the sum of its proper divisors (31677189).

56946939 is a wasteful number, since it uses less digits than its factorization.

56946939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57754.

The product of its digits is 1574640, while the sum is 51.

The square root of 56946939 is about 7546.3195665172. The cubic root of 56946939 is about 384.7306577383.

The spelling of 56946939 in words is "fifty-six million, nine hundred forty-six thousand, nine hundred thirty-nine".