56943974 has 4 divisors (see below), whose sum is σ = 85415964. Its totient is φ = 28471986.

The previous prime is 56943973. The next prime is 56943979. The reversal of 56943974 is 47934965.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56943973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14235992 + ... + 14235995.

It is an arithmetic number, because the mean of its divisors is an integer number (21353991).

Almost surely, 2^56943974 is an apocalyptic number.

56943974 is a deficient number, since it is larger than the sum of its proper divisors (28471990).

56943974 is a wasteful number, since it uses less digits than its factorization.

56943974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28471989.

The product of its digits is 816480, while the sum is 47.

The square root of 56943974 is about 7546.1231105780. The cubic root of 56943974 is about 384.7239804921.

Subtracting from 56943974 its reverse (47934965), we obtain a palindrome (9009009).

The spelling of 56943974 in words is "fifty-six million, nine hundred forty-three thousand, nine hundred seventy-four".