51768576 has 54 divisors (see below), whose sum is σ = 149268210. Its totient is φ = 17255424.

The previous prime is 51768571. The next prime is 51768581. The reversal of 51768576 is 67586715.

51768576 is a `hidden beast` number, since 5 + 1 + 76 + 8 + 576 = 666.

It is an interprime number because it is at equal distance from previous prime (51768571) and next prime (51768581).

It can be written as a sum of positive squares in only one way, i.e., 48441600 + 3326976 = 6960^2 + 1824^2 .

It is a super-2 number, since 2×51768576² = 5359970922135552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51768571) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8931 + ... + 13538.

Almost surely, 2^51768576 is an apocalyptic number.

It is an amenable number.

51768576 is an abundant number, since it is smaller than the sum of its proper divisors (97499634).

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

51768576 is a wasteful number, since it uses less digits than its factorization.

51768576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22491 (or 22474 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 51768576 is about 7195.0382903776. The cubic root of 51768576 is about 372.6965789734.

The spelling of 51768576 in words is "fifty-one million, seven hundred sixty-eight thousand, five hundred seventy-six".