56111612 has 24 divisors (see below), whose sum is σ = 102076800. Its totient is φ = 26959680.

The previous prime is 56111593. The next prime is 56111633. The reversal of 56111612 is 21611165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16958 + ... + 19994.

It is an arithmetic number, because the mean of its divisors is an integer number (4253200).

Almost surely, 2^56111612 is an apocalyptic number.

It is an amenable number.

56111612 is a deficient number, since it is larger than the sum of its proper divisors (45965188).

56111612 is a wasteful number, since it uses less digits than its factorization.

56111612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221 (or 3219 counting only the distinct ones).

The product of its digits is 360, while the sum is 23.

The square root of 56111612 is about 7490.7684519013. The cubic root of 56111612 is about 382.8402417780.

Adding to 56111612 its reverse (21611165), we get a palindrome (77722777).

The spelling of 56111612 in words is "fifty-six million, one hundred eleven thousand, six hundred twelve".