56816546 has 4 divisors (see below), whose sum is σ = 85224822. Its totient is φ = 28408272.

The previous prime is 56816527. The next prime is 56816549. The reversal of 56816546 is 64561865.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 51998521 + 4818025 = 7211^2 + 2195^2 .

It is not an unprimeable number, because it can be changed into a prime (56816549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14204135 + ... + 14204138.

Almost surely, 2^56816546 is an apocalyptic number.

56816546 is a deficient number, since it is larger than the sum of its proper divisors (28408276).

56816546 is a wasteful number, since it uses less digits than its factorization.

56816546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28408275.

The product of its digits is 172800, while the sum is 41.

The square root of 56816546 is about 7537.6751057604. The cubic root of 56816546 is about 384.4367904805.

The spelling of 56816546 in words is "fifty-six million, eight hundred sixteen thousand, five hundred forty-six".