56505412 has 6 divisors (see below), whose sum is σ = 98884478. Its totient is φ = 28252704.

The previous prime is 56505391. The next prime is 56505413. The reversal of 56505412 is 21450565.

It can be written as a sum of positive squares in only one way, i.e., 28879876 + 27625536 = 5374^2 + 5256^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56505413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7063173 + ... + 7063180.

Almost surely, 2^56505412 is an apocalyptic number.

It is an amenable number.

56505412 is a deficient number, since it is larger than the sum of its proper divisors (42379066).

56505412 is a wasteful number, since it uses less digits than its factorization.

56505412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14126357 (or 14126355 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 56505412 is about 7517.0081814509. The cubic root of 56505412 is about 383.7337654716.

Adding to 56505412 its reverse (21450565), we get a palindrome (77955977).

The spelling of 56505412 in words is "fifty-six million, five hundred five thousand, four hundred twelve".