56687296 has 28 divisors (see below), whose sum is σ = 112910112. Its totient is φ = 28237568.

The previous prime is 56687291. The next prime is 56687321. The reversal of 56687296 is 69278665.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56687291) 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, 17241 + ... + 20263.

It is an arithmetic number, because the mean of its divisors is an integer number (4032504).

Almost surely, 2^56687296 is an apocalyptic number.

It is an amenable number.

56687296 is a deficient number, since it is larger than the sum of its proper divisors (56222816).

56687296 is a wasteful number, since it uses less digits than its factorization.

56687296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328 (or 3318 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 56687296 is about 7529.0966257580. The cubic root of 56687296 is about 384.1450551525.

The spelling of 56687296 in words is "fifty-six million, six hundred eighty-seven thousand, two hundred ninety-six".