56601810 has 24 divisors (see below), whose sum is σ = 147164940. Its totient is φ = 15093792.

The previous prime is 56601799. The next prime is 56601821. The reversal of 56601810 is 1810665.

56601810 is a `hidden beast` number, since 56 + 601 + 8 + 1 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (56601799) and next prime (56601821).

It can be written as a sum of positive squares in 2 ways, for example, as 52229529 + 4372281 = 7227^2 + 2091^2 .

It is a super-2 number, since 2×56601810² = 6407529790552200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314365 + ... + 314544.

Almost surely, 2^56601810 is an apocalyptic number.

56601810 is an abundant number, since it is smaller than the sum of its proper divisors (90563130).

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

56601810 is a wasteful number, since it uses less digits than its factorization.

56601810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628922 (or 628919 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 56601810 is about 7523.4174415620. The cubic root of 56601810 is about 383.9518575714.

The spelling of 56601810 in words is "fifty-six million, six hundred one thousand, eight hundred ten".