56660530 has 8 divisors (see below), whose sum is σ = 101988972. Its totient is φ = 22664208.

The previous prime is 56660497. The next prime is 56660561. The reversal of 56660530 is 3506665.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55666521 + 994009 = 7461^2 + 997^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 56660492 and 56660501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2833017 + ... + 2833036.

Almost surely, 2^56660530 is an apocalyptic number.

56660530 is a deficient number, since it is larger than the sum of its proper divisors (45328442).

56660530 is a wasteful number, since it uses less digits than its factorization.

56660530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666060.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 56660530 is about 7527.3189118039. The cubic root of 56660530 is about 384.0845851356.

The spelling of 56660530 in words is "fifty-six million, six hundred sixty thousand, five hundred thirty".