56135978496 has 960 divisors, whose sum is σ = 199233914880. Its totient is φ = 15049359360.

The previous prime is 56135978489. The next prime is 56135978501. The reversal of 56135978496 is 69487953165.

56135978496 is a `hidden beast` number, since 5 + 6 + 135 + 9 + 7 + 8 + 496 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1305487851 + ... + 1305487893.

It is an arithmetic number, because the mean of its divisors is an integer number (207535328).

Almost surely, 2^56135978496 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 56135978496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99616957440).

56135978496 is an abundant number, since it is smaller than the sum of its proper divisors (143097936384).

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

56135978496 is a wasteful number, since it uses less digits than its factorization.

56135978496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 148 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The spelling of 56135978496 in words is "fifty-six billion, one hundred thirty-five million, nine hundred seventy-eight thousand, four hundred ninety-six".