56521925136000 has 192 divisors, whose sum is σ = 202984364161800. Its totient is φ = 15072513331200.

The previous prime is 56521925135993. The next prime is 56521925136031. The reversal of 56521925136000 is 63152912565.

56521925136000 is a `hidden beast` number, since 5 + 6 + 5 + 2 + 1 + 9 + 25 + 13 + 600 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11537217635904 + 44984707500096 = 3396648^2 + 6707064^2 .

It is a tau number, because it is divible by the number of its divisors (192).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196112685 + ... + 196400684.

Almost surely, 2^{56521925136000} is an apocalyptic number.

56521925136000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56521925136000 is an abundant number, since it is smaller than the sum of its proper divisors (146462439025800).

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

56521925136000 is a wasteful number, since it uses less digits than its factorization.

56521925136000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392513404 (or 392513379 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 56521925136000 in words is "fifty-six trillion, five hundred twenty-one billion, nine hundred twenty-five million, one hundred thirty-six thousand".