56427964 has 24 divisors (see below), whose sum is σ = 105204960. Its totient is φ = 26390016.

The previous prime is 56427961. The next prime is 56428007. The reversal of 56427964 is 46972465.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56427964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56427961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8872 + ... + 13840.

It is an arithmetic number, because the mean of its divisors is an integer number (4383540).

Almost surely, 2^56427964 is an apocalyptic number.

It is an amenable number.

56427964 is a deficient number, since it is larger than the sum of its proper divisors (48776996).

56427964 is a wasteful number, since it uses less digits than its factorization.

56427964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157 (or 5155 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 56427964 is about 7511.8548974271. The cubic root of 56427964 is about 383.5583663369.

The spelling of 56427964 in words is "fifty-six million, four hundred twenty-seven thousand, nine hundred sixty-four".