51513530001 has 8 divisors (see below), whose sum is σ = 70359943584. Its totient is φ = 33504734880.

The previous prime is 51513529997. The next prime is 51513530063. The reversal of 51513530001 is 10003531515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51513530001 - 2² = 51513529997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51513530401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209404471 + ... + 209404716.

It is an arithmetic number, because the mean of its divisors is an integer number (8794992948).

Almost surely, 2^51513530001 is an apocalyptic number.

It is an amenable number.

51513530001 is a deficient number, since it is larger than the sum of its proper divisors (18846413583).

51513530001 is a wasteful number, since it uses less digits than its factorization.

51513530001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418809231.

The product of its (nonzero) digits is 1125, while the sum is 24.

The spelling of 51513530001 in words is "fifty-one billion, five hundred thirteen million, five hundred thirty thousand, one".