56539598 has 16 divisors (see below), whose sum is σ = 88421760. Its totient is φ = 27084000.

The previous prime is 56539579. The next prime is 56539601. The reversal of 56539598 is 89593565.

It is a super-2 number, since 2×56539598² = 6393452284003208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748 + ... + 10776.

It is an arithmetic number, because the mean of its divisors is an integer number (5526360).

Almost surely, 2^56539598 is an apocalyptic number.

56539598 is a deficient number, since it is larger than the sum of its proper divisors (31882162).

56539598 is a wasteful number, since it uses less digits than its factorization.

56539598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9163.

The product of its digits is 1458000, while the sum is 50.

The square root of 56539598 is about 7519.2817476139. The cubic root of 56539598 is about 383.8111366908.

It can be divided in two parts, 5653 and 9598, that added together give a palindrome (15251).

The spelling of 56539598 in words is "fifty-six million, five hundred thirty-nine thousand, five hundred ninety-eight".