56387756120 has 64 divisors (see below), whose sum is σ = 129196490400. Its totient is φ = 22142970880.

The previous prime is 56387756119. The next prime is 56387756153. The reversal of 56387756120 is 2165778365.

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, 1780262 + ... + 1811658.

Almost surely, 2^56387756120 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 56387756120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64598245200).

56387756120 is an abundant number, since it is smaller than the sum of its proper divisors (72808734280).

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

56387756120 is a wasteful number, since it uses less digits than its factorization.

56387756120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32228 (or 32224 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 56387756120 in words is "fifty-six billion, three hundred eighty-seven million, seven hundred fifty-six thousand, one hundred twenty".