56591284 has 6 divisors (see below), whose sum is σ = 99034754. Its totient is φ = 28295640.

The previous prime is 56591263. The next prime is 56591299. The reversal of 56591284 is 48219565.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 1416100 = 7428^2 + 1190^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7073907 + ... + 7073914.

Almost surely, 2^56591284 is an apocalyptic number.

It is an amenable number.

56591284 is a deficient number, since it is larger than the sum of its proper divisors (42443470).

56591284 is a wasteful number, since it uses less digits than its factorization.

56591284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14147825 (or 14147823 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 56591284 is about 7522.7178599227. The cubic root of 56591284 is about 383.9280554597.

The spelling of 56591284 in words is "fifty-six million, five hundred ninety-one thousand, two hundred eighty-four".