56963556 has 72 divisors (see below), whose sum is σ = 157772160. Its totient is φ = 17221824.

The previous prime is 56963527. The next prime is 56963563. The reversal of 56963556 is 65536965.

56963556 is a `hidden beast` number, since 5 + 6 + 9 + 635 + 5 + 6 = 666.

56963556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26581 + ... + 28643.

It is an arithmetic number, because the mean of its divisors is an integer number (2191280).

Almost surely, 2^56963556 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 56963556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78886080).

56963556 is an abundant number, since it is smaller than the sum of its proper divisors (100808604).

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

56963556 is a wasteful number, since it uses less digits than its factorization.

56963556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2140 counting only the distinct ones).

The product of its digits is 729000, while the sum is 45.

The square root of 56963556 is about 7547.4204864974. The cubic root of 56963556 is about 384.7680753047.

The spelling of 56963556 in words is "fifty-six million, nine hundred sixty-three thousand, five hundred fifty-six".