56155056 has 40 divisors (see below), whose sum is σ = 146411760. Its totient is φ = 18544896.

The previous prime is 56155039. The next prime is 56155103. The reversal of 56155056 is 65055165.

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, 135 + ... + 10598.

It is an arithmetic number, because the mean of its divisors is an integer number (3660294).

Almost surely, 2^56155056 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 56155056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73205880).

56155056 is an abundant number, since it is smaller than the sum of its proper divisors (90256704).

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

56155056 is a wasteful number, since it uses less digits than its factorization.

56155056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10853 (or 10847 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 56155056 is about 7493.6677268211. The cubic root of 56155056 is about 382.9390200301.

The spelling of 56155056 in words is "fifty-six million, one hundred fifty-five thousand, fifty-six".