51804462576 has 160 divisors (see below), whose sum is σ = 149387010048. Its totient is φ = 15393116160.

The previous prime is 51804462569. The next prime is 51804462581. The reversal of 51804462576 is 67526440815.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1167126 + ... + 1210698.

Almost surely, 2^51804462576 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 51804462576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74693505024).

51804462576 is an abundant number, since it is smaller than the sum of its proper divisors (97582547472).

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

51804462576 is a wasteful number, since it uses less digits than its factorization.

51804462576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43679 (or 43673 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 51804462576 in words is "fifty-one billion, eight hundred four million, four hundred sixty-two thousand, five hundred seventy-six".