51623475264 has 63 divisors (see below), whose sum is σ = 147985002607. Its totient is φ = 17206007424.

The previous prime is 51623475259. The next prime is 51623475301. The reversal of 51623475264 is 46257432615.

The square root of 51623475264 is 227208.

It is a perfect power (a square), and thus also a powerful number.

51623475264 is a `hidden beast` number, since 516 + 2 + 3 + 4 + 75 + 2 + 64 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5448259 + ... + 5457725.

Almost surely, 2^51623475264 is an apocalyptic number.

51623475264 is the 227208-th square number.

It is an amenable number.

51623475264 is an abundant number, since it is smaller than the sum of its proper divisors (96361527343).

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

51623475264 is an frugal number, since it uses more digits than its factorization.

51623475264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18952 (or 9472 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 51623475264 in words is "fifty-one billion, six hundred twenty-three million, four hundred seventy-five thousand, two hundred sixty-four".