56630818 has 8 divisors (see below), whose sum is σ = 86549148. Its totient is φ = 27781104.

The previous prime is 56630813. The next prime is 56630837. The reversal of 56630818 is 81803665.

It can be written as a sum of positive squares in 2 ways, for example, as 51308569 + 5322249 = 7163^2 + 2307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56630813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267021 + ... + 267232.

Almost surely, 2^56630818 is an apocalyptic number.

56630818 is a deficient number, since it is larger than the sum of its proper divisors (29918330).

56630818 is a wasteful number, since it uses less digits than its factorization.

56630818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534308.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 56630818 is about 7525.3450419233. The cubic root of 56630818 is about 384.0174371784.

The spelling of 56630818 in words is "fifty-six million, six hundred thirty thousand, eight hundred eighteen".