51532333323513 has 16 divisors (see below), whose sum is σ = 78536813055360. Its totient is φ = 29442790331136.

The previous prime is 51532333323491. The next prime is 51532333323533. The reversal of 51532333323513 is 31532333323515.

It is not a de Polignac number, because 51532333323513 - 2⁵ = 51532333323481 is a prime.

It is a super-3 number, since 3×51532333323513³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51532333323533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177238048 + ... + 177528561.

It is an arithmetic number, because the mean of its divisors is an integer number (4908550815960).

Almost surely, 2^{51532333323513} is an apocalyptic number.

It is an amenable number.

51532333323513 is a deficient number, since it is larger than the sum of its proper divisors (27004479731847).

51532333323513 is a wasteful number, since it uses less digits than its factorization.

51532333323513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354773536.

The product of its digits is 1093500, while the sum is 42.

The spelling of 51532333323513 in words is "fifty-one trillion, five hundred thirty-two billion, three hundred thirty-three million, three hundred twenty-three thousand, five hundred thirteen".