56572312 has 16 divisors (see below), whose sum is σ = 106200360. Its totient is φ = 28252224.

The previous prime is 56572289. The next prime is 56572319. The reversal of 56572312 is 21327565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56572319) 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, 3723 + ... + 11269.

Almost surely, 2^56572312 is an apocalyptic number.

It is an amenable number.

56572312 is a deficient number, since it is larger than the sum of its proper divisors (49628048).

56572312 is a wasteful number, since it uses less digits than its factorization.

56572312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490 (or 8486 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 56572312 is about 7521.4567737906. The cubic root of 56572312 is about 383.8851472197.

Adding to 56572312 its reverse (21327565), we get a palindrome (77899877).

It can be divided in two parts, 565 and 72312, that multiplied together give a triangular number (40856280 = T₉₀₃₉).

The spelling of 56572312 in words is "fifty-six million, five hundred seventy-two thousand, three hundred twelve".