51523325056 has 32 divisors (see below), whose sum is σ = 117307572480. Its totient is φ = 22081424640.

The previous prime is 51523325047. The next prime is 51523325083. The reversal of 51523325056 is 65052332515.

51523325056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28750960 + ... + 28752751.

It is an arithmetic number, because the mean of its divisors is an integer number (3665861640).

Almost surely, 2^51523325056 is an apocalyptic number.

51523325056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51523325056 is an abundant number, since it is smaller than the sum of its proper divisors (65784247424).

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

51523325056 is an equidigital number, since it uses as much as digits as its factorization.

51523325056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57503732 (or 57503720 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 51523325056 in words is "fifty-one billion, five hundred twenty-three million, three hundred twenty-five thousand, fifty-six".