56316530 has 16 divisors (see below), whose sum is σ = 102510360. Its totient is φ = 22273152.

The previous prime is 56316527. The next prime is 56316569. The reversal of 56316530 is 3561365.

It can be written as a sum of positive squares in 4 ways, for example, as 18653761 + 37662769 = 4319^2 + 6137^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56316493 and 56316502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30749 + ... + 32528.

Almost surely, 2^56316530 is an apocalyptic number.

56316530 is a deficient number, since it is larger than the sum of its proper divisors (46193830).

56316530 is a wasteful number, since it uses less digits than its factorization.

56316530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63373.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 56316530 is about 7504.4340226296. The cubic root of 56316530 is about 383.3057161368.

Adding to 56316530 its reverse (3561365), we get a palindrome (59877895).

The spelling of 56316530 in words is "fifty-six million, three hundred sixteen thousand, five hundred thirty".