56457506 has 24 divisors (see below), whose sum is σ = 99634860. Its totient is φ = 23920512.

The previous prime is 56457497. The next prime is 56457509. The reversal of 56457506 is 60575465.

It can be written as a sum of positive squares in 2 ways, for example, as 50282281 + 6175225 = 7091^2 + 2485^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56457506.

It is not an unprimeable number, because it can be changed into a prime (56457509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5486 + ... + 11958.

Almost surely, 2^56457506 is an apocalyptic number.

56457506 is a deficient number, since it is larger than the sum of its proper divisors (43177354).

56457506 is a wasteful number, since it uses less digits than its factorization.

56457506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578 (or 6571 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 56457506 is about 7513.8209986664. The cubic root of 56457506 is about 383.6252900370.

The spelling of 56457506 in words is "fifty-six million, four hundred fifty-seven thousand, five hundred six".