56115212 has 12 divisors (see below), whose sum is σ = 99305640. Its totient is φ = 27742176.

The previous prime is 56115197. The next prime is 56115217. The reversal of 56115212 is 21251165.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56115217) 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, 78458 + ... + 79169.

It is an arithmetic number, because the mean of its divisors is an integer number (8275470).

Almost surely, 2^56115212 is an apocalyptic number.

It is an amenable number.

56115212 is a deficient number, since it is larger than the sum of its proper divisors (43190428).

56115212 is a wasteful number, since it uses less digits than its factorization.

56115212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157720 (or 157718 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 56115212 is about 7491.0087438208. The cubic root of 56115212 is about 382.8484290043.

Adding to 56115212 its reverse (21251165), we get a palindrome (77366377).

The spelling of 56115212 in words is "fifty-six million, one hundred fifteen thousand, two hundred twelve".