51799814716 has 24 divisors (see below), whose sum is σ = 97665526784. Its totient is φ = 23897125440.

The previous prime is 51799814701. The next prime is 51799814783. The reversal of 51799814716 is 61741899715.

It is a happy number.

It is a super-2 number, since 2×51799814716² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97980 + ... + 336451.

Almost surely, 2^51799814716 is an apocalyptic number.

It is an amenable number.

51799814716 is a deficient number, since it is larger than the sum of its proper divisors (45865712068).

51799814716 is a wasteful number, since it uses less digits than its factorization.

51799814716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436741 (or 436739 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 58.

The spelling of 51799814716 in words is "fifty-one billion, seven hundred ninety-nine million, eight hundred fourteen thousand, seven hundred sixteen".