51616526313 has 8 divisors (see below), whose sum is σ = 75078583776. Its totient is φ = 31282743200.

The previous prime is 51616526309. The next prime is 51616526323. The reversal of 51616526313 is 31362561615.

51616526313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51616526313 - 2² = 51616526309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51616526303) 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, 782068548 + ... + 782068613.

It is an arithmetic number, because the mean of its divisors is an integer number (9384822972).

Almost surely, 2^51616526313 is an apocalyptic number.

It is an amenable number.

51616526313 is a deficient number, since it is larger than the sum of its proper divisors (23462057463).

51616526313 is a wasteful number, since it uses less digits than its factorization.

51616526313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564137175.

The product of its digits is 97200, while the sum is 39.

The spelling of 51616526313 in words is "fifty-one billion, six hundred sixteen million, five hundred twenty-six thousand, three hundred thirteen".