56945856 has 112 divisors (see below), whose sum is σ = 167518080. Its totient is φ = 16926720.

The previous prime is 56945783. The next prime is 56945873. The reversal of 56945856 is 65854965.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124380 + ... + 124836.

Almost surely, 2^56945856 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 56945856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83759040).

56945856 is an abundant number, since it is smaller than the sum of its proper divisors (110572224).

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

56945856 is a wasteful number, since it uses less digits than its factorization.

56945856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 532 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The square root of 56945856 is about 7546.2478093421. The cubic root of 56945856 is about 384.7282188250.

The spelling of 56945856 in words is "fifty-six million, nine hundred forty-five thousand, eight hundred fifty-six".