56519709120 has 896 divisors, whose sum is σ = 236552110080. Its totient is φ = 12436623360.

The previous prime is 56519709031. The next prime is 56519709139. The reversal of 56519709120 is 2190791565.

56519709120 is a `hidden beast` number, since 5 + 6 + 519 + 7 + 0 + 9 + 120 = 666.

It is a super-2 number, since 2×56519709120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 267865815 + ... + 267866025.

Almost surely, 2^56519709120 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 56519709120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118276055040).

56519709120 is an abundant number, since it is smaller than the sum of its proper divisors (180032400960).

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

56519709120 is a wasteful number, since it uses less digits than its factorization.

56519709120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 45.

The spelling of 56519709120 in words is "fifty-six billion, five hundred nineteen million, seven hundred nine thousand, one hundred twenty".