51592481856 has 84 divisors (see below), whose sum is σ = 151487445564. Its totient is φ = 16778035200.

The previous prime is 51592481833. The next prime is 51592481867. The reversal of 51592481856 is 65818429515.

51592481856 is a `hidden beast` number, since 5 + 1 + 592 + 48 + 1 + 8 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24643976256 + 26948505600 = 156984^2 + 164160^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1068705 + ... + 1115936.

It is an arithmetic number, because the mean of its divisors is an integer number (1803421971).

Almost surely, 2^51592481856 is an apocalyptic number.

It is an amenable number.

51592481856 is an abundant number, since it is smaller than the sum of its proper divisors (99894963708).

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

51592481856 is a wasteful number, since it uses less digits than its factorization.

51592481856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184700 (or 2184687 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 54.

The spelling of 51592481856 in words is "fifty-one billion, five hundred ninety-two million, four hundred eighty-one thousand, eight hundred fifty-six".