51046086531 has 8 divisors (see below), whose sum is σ = 74248853184. Its totient is φ = 30937022120.

The previous prime is 51046086517. The next prime is 51046086583. The reversal of 51046086531 is 13568064015.

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 51046086531 - 2⁵ = 51046086499 is a prime.

It is a super-2 number, since 2×51046086531² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51046086531.

It is not an unprimeable number, because it can be changed into a prime (51046086731) 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, 773425521 + ... + 773425586.

It is an arithmetic number, because the mean of its divisors is an integer number (9281106648).

Almost surely, 2^51046086531 is an apocalyptic number.

51046086531 is a deficient number, since it is larger than the sum of its proper divisors (23202766653).

51046086531 is a wasteful number, since it uses less digits than its factorization.

51046086531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546851121.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 51046086531 in words is "fifty-one billion, forty-six million, eighty-six thousand, five hundred thirty-one".