56487746 has 16 divisors (see below), whose sum is σ = 97381440. Its totient is φ = 24072720.

The previous prime is 56487727. The next prime is 56487757. The reversal of 56487746 is 64778465.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56487746.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8765 + ... + 13776.

It is an arithmetic number, because the mean of its divisors is an integer number (6086340).

Almost surely, 2^56487746 is an apocalyptic number.

56487746 is a deficient number, since it is larger than the sum of its proper divisors (40893694).

56487746 is a wasteful number, since it uses less digits than its factorization.

56487746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22729.

The product of its digits is 1128960, while the sum is 47.

The square root of 56487746 is about 7515.8330210297. The cubic root of 56487746 is about 383.6937707935.

The spelling of 56487746 in words is "fifty-six million, four hundred eighty-seven thousand, seven hundred forty-six".