56123612 has 12 divisors (see below), whose sum is σ = 98373576. Its totient is φ = 28016880.

The previous prime is 56123603. The next prime is 56123623. The reversal of 56123612 is 21632165.

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

It is a congruent number.

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, 8339 + ... + 13482.

It is an arithmetic number, because the mean of its divisors is an integer number (8197798).

Almost surely, 2^56123612 is an apocalyptic number.

It is an amenable number.

56123612 is a deficient number, since it is larger than the sum of its proper divisors (42249964).

56123612 is a wasteful number, since it uses less digits than its factorization.

56123612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22468 (or 22466 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 56123612 is about 7491.5693949933. The cubic root of 56123612 is about 382.8675311707.

Adding to 56123612 its reverse (21632165), we get a palindrome (77755777).

The spelling of 56123612 in words is "fifty-six million, one hundred twenty-three thousand, six hundred twelve".