51523332532 has 24 divisors (see below), whose sum is σ = 103076161664. Its totient is φ = 22075107552.

The previous prime is 51523332529. The next prime is 51523332547. The reversal of 51523332532 is 23523332515.

It is a congruent number.

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, 163128 + ... + 360079.

Almost surely, 2^51523332532 is an apocalyptic number.

It is an amenable number.

51523332532 is an abundant number, since it is smaller than the sum of its proper divisors (51552829132).

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

51523332532 is a wasteful number, since it uses less digits than its factorization.

51523332532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526735 (or 526733 counting only the distinct ones).

The product of its digits is 81000, while the sum is 34.

The spelling of 51523332532 in words is "fifty-one billion, five hundred twenty-three million, three hundred thirty-two thousand, five hundred thirty-two".