51389335296 has 108 divisors (see below), whose sum is σ = 159565763448. Its totient is φ = 15812093952.

The previous prime is 51389335289. The next prime is 51389335351. The reversal of 51389335296 is 69253398315.

51389335296 is a `hidden beast` number, since 5 + 1 + 3 + 89 + 33 + 529 + 6 = 666.

It is a super-2 number, since 2×51389335296² (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 11 ways as a sum of consecutive naturals, for example, 827910 + ... + 887813.

Almost surely, 2^51389335296 is an apocalyptic number.

It is an amenable number.

51389335296 is an abundant number, since it is smaller than the sum of its proper divisors (108176428152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51389335296 is a wasteful number, since it uses less digits than its factorization.

51389335296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715758 (or 1715741 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 54.

The spelling of 51389335296 in words is "fifty-one billion, three hundred eighty-nine million, three hundred thirty-five thousand, two hundred ninety-six".