56987590 has 32 divisors (see below), whose sum is σ = 113179680. Its totient is φ = 20486400.

The previous prime is 56987573. The next prime is 56987611. The reversal of 56987590 is 9578965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6880 + ... + 12700.

It is an arithmetic number, because the mean of its divisors is an integer number (3536865).

Almost surely, 2^56987590 is an apocalyptic number.

56987590 is a deficient number, since it is larger than the sum of its proper divisors (56192090).

56987590 is a wasteful number, since it uses less digits than its factorization.

56987590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 56987590 is about 7549.0125182040. The cubic root of 56987590 is about 384.8221813350.

It can be divided in two parts, 569875 and 90, that added together give a palindrome (569965).

The spelling of 56987590 in words is "fifty-six million, nine hundred eighty-seven thousand, five hundred ninety".