56779056 has 100 divisors (see below), whose sum is σ = 165914232. Its totient is φ = 18745344.

The previous prime is 56779027. The next prime is 56779057. The reversal of 56779056 is 65097765.

It is a happy number.

It is a super-2 number, since 2×56779056² = 6447722400502272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56779057) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 250015 + ... + 250241.

Almost surely, 2^56779056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56779056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82957116).

56779056 is an abundant number, since it is smaller than the sum of its proper divisors (109135176).

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

56779056 is a wasteful number, since it uses less digits than its factorization.

56779056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The square root of 56779056 is about 7535.1878543272. The cubic root of 56779056 is about 384.3522159011.

The spelling of 56779056 in words is "fifty-six million, seven hundred seventy-nine thousand, fifty-six".