56645032 has 16 divisors (see below), whose sum is σ = 106924500. Its totient is φ = 28131840.

The previous prime is 56645009. The next prime is 56645053. The reversal of 56645032 is 23054665.

It can be written as a sum of positive squares in 2 ways, for example, as 56640676 + 4356 = 7526^2 + 66^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56644985 and 56645003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22569 + ... + 24952.

Almost surely, 2^56645032 is an apocalyptic number.

It is an amenable number.

56645032 is a deficient number, since it is larger than the sum of its proper divisors (50279468).

56645032 is a wasteful number, since it uses less digits than its factorization.

56645032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47676 (or 47672 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 56645032 is about 7526.2893911940. The cubic root of 56645032 is about 384.0495631917.

Adding to 56645032 its reverse (23054665), we get a palindrome (79699697).

The spelling of 56645032 in words is "fifty-six million, six hundred forty-five thousand, thirty-two".