51715417377 has 8 divisors (see below), whose sum is σ = 74258035264. Its totient is φ = 31824872208.

The previous prime is 51715417357. The next prime is 51715417379. The reversal of 51715417377 is 77371451715.

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

It is not a de Polignac number, because 51715417377 - 2²⁰ = 51714368801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51715417379) 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, 663018133 + ... + 663018210.

It is an arithmetic number, because the mean of its divisors is an integer number (9282254408).

Almost surely, 2^51715417377 is an apocalyptic number.

It is an amenable number.

51715417377 is a deficient number, since it is larger than the sum of its proper divisors (22542617887).

51715417377 is a wasteful number, since it uses less digits than its factorization.

51715417377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326036359.

The product of its digits is 720300, while the sum is 48.

The spelling of 51715417377 in words is "fifty-one billion, seven hundred fifteen million, four hundred seventeen thousand, three hundred seventy-seven".