56318556 has 48 divisors (see below), whose sum is σ = 151585280. Its totient is φ = 15940800.

The previous prime is 56318539. The next prime is 56318611. The reversal of 56318556 is 65581365.

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, 6081 + ... + 12231.

Almost surely, 2^56318556 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 56318556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75792640).

56318556 is an abundant number, since it is smaller than the sum of its proper divisors (95266724).

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

56318556 is a wasteful number, since it uses less digits than its factorization.

56318556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6274 (or 6272 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 56318556 is about 7504.5690082776. The cubic root of 56318556 is about 383.3103125852.

The spelling of 56318556 in words is "fifty-six million, three hundred eighteen thousand, five hundred fifty-six".