56563700 has 18 divisors (see below), whose sum is σ = 122743446. Its totient is φ = 22625440.

The previous prime is 56563699. The next prime is 56563729. The reversal of 56563700 is 736565.

It can be written as a sum of positive squares in 3 ways, for example, as 6832996 + 49730704 = 2614^2 + 7052^2 .

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 5 ways as a sum of consecutive naturals, for example, 282719 + ... + 282918.

Almost surely, 2^56563700 is an apocalyptic number.

56563700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56563700 is an abundant number, since it is smaller than the sum of its proper divisors (66179746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56563700 is a wasteful number, since it uses less digits than its factorization.

56563700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565651 (or 565644 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 56563700 is about 7520.8842565220. The cubic root of 56563700 is about 383.8656666261.

The spelling of 56563700 in words is "fifty-six million, five hundred sixty-three thousand, seven hundred".