51804576 has 96 divisors (see below), whose sum is σ = 160030080. Its totient is φ = 16247808.

The previous prime is 51804563. The next prime is 51804587. The reversal of 51804576 is 67540815.

51804576 is a `hidden beast` number, since 5 + 1 + 80 + 4 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51804576.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12925 + ... + 16451.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 2^51804576 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 51804576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80015040).

51804576 is an abundant number, since it is smaller than the sum of its proper divisors (108225504).

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

51804576 is a wasteful number, since it uses less digits than its factorization.

51804576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563 (or 3549 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 51804576 is about 7197.5395796064. The cubic root of 51804576 is about 372.7829503399.

The spelling of 51804576 in words is "fifty-one million, eight hundred four thousand, five hundred seventy-six".