56312132 has 12 divisors (see below), whose sum is σ = 99175020. Its totient is φ = 27976416.

The previous prime is 56312131. The next prime is 56312141. The reversal of 56312132 is 23121365.

It can be written as a sum of positive squares in 2 ways, for example, as 16192576 + 40119556 = 4024^2 + 6334^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56312098 and 56312107.

It is not an unprimeable number, because it can be changed into a prime (56312131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44207 + ... + 45462.

It is an arithmetic number, because the mean of its divisors is an integer number (8264585).

Almost surely, 2^56312132 is an apocalyptic number.

It is an amenable number.

56312132 is a deficient number, since it is larger than the sum of its proper divisors (42862888).

56312132 is a wasteful number, since it uses less digits than its factorization.

56312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89830 (or 89828 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 56312132 is about 7504.1409901467. The cubic root of 56312132 is about 383.2957378798.

Adding to 56312132 its reverse (23121365), we get a palindrome (79433497).

The spelling of 56312132 in words is "fifty-six million, three hundred twelve thousand, one hundred thirty-two".