51604886592 has 448 divisors, whose sum is σ = 180890265600. Its totient is φ = 14114580480.

The previous prime is 51604886579. The next prime is 51604886699. The reversal of 51604886592 is 29568840615.

51604886592 is a `hidden beast` number, since 5 + 1 + 6 + 0 + 48 + 8 + 6 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45952143 + ... + 45953265.

Almost surely, 2^51604886592 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 51604886592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90445132800).

51604886592 is an abundant number, since it is smaller than the sum of its proper divisors (129285379008).

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

51604886592 is a wasteful number, since it uses less digits than its factorization.

51604886592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 51604886592 in words is "fifty-one billion, six hundred four million, eight hundred eighty-six thousand, five hundred ninety-two".