51523332530 has 16 divisors (see below), whose sum is σ = 92821218624. Its totient is φ = 20591728560.

The previous prime is 51523332529. The next prime is 51523332547. The reversal of 51523332530 is 3523332515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188262 + ... + 2211681.

It is an arithmetic number, because the mean of its divisors is an integer number (5801326164).

Almost surely, 2^51523332530 is an apocalyptic number.

51523332530 is a deficient number, since it is larger than the sum of its proper divisors (41297886094).

51523332530 is a wasteful number, since it uses less digits than its factorization.

51523332530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401121.

The product of its (nonzero) digits is 40500, while the sum is 32.

The spelling of 51523332530 in words is "fifty-one billion, five hundred twenty-three million, three hundred thirty-two thousand, five hundred thirty".