56111772 has 24 divisors (see below), whose sum is σ = 131735296. Its totient is φ = 18588528.

The previous prime is 56111753. The next prime is 56111779. The reversal of 56111772 is 27711165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56111779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12388 + ... + 16299.

Almost surely, 2^56111772 is an apocalyptic number.

It is an amenable number.

56111772 is an abundant number, since it is smaller than the sum of its proper divisors (75623524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56111772 is a wasteful number, since it uses less digits than its factorization.

56111772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28857 (or 28855 counting only the distinct ones).

The product of its digits is 2940, while the sum is 30.

The square root of 56111772 is about 7490.7791317059. The cubic root of 56111772 is about 382.8406056621.

The spelling of 56111772 in words is "fifty-six million, one hundred eleven thousand, seven hundred seventy-two".