56812132 has 12 divisors (see below), whose sum is σ = 107069116. Its totient is φ = 26220960.

The previous prime is 56812127. The next prime is 56812187. The reversal of 56812132 is 23121865.

It can be written as a sum of positive squares in 2 ways, for example, as 31651876 + 25160256 = 5626^2 + 5016^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56812132.

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, 546219 + ... + 546322.

Almost surely, 2^56812132 is an apocalyptic number.

56812132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56812132 is a deficient number, since it is larger than the sum of its proper divisors (50256984).

56812132 is a wasteful number, since it uses less digits than its factorization.

56812132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092558 (or 1092556 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 56812132 is about 7537.3823042221. The cubic root of 56812132 is about 384.4268347660.

Adding to 56812132 its reverse (23121865), we get a palindrome (79933997).

The spelling of 56812132 in words is "fifty-six million, eight hundred twelve thousand, one hundred thirty-two".