51033338816 has 56 divisors (see below), whose sum is σ = 108140845440. Its totient is φ = 23842022400.

The previous prime is 51033338801. The next prime is 51033338833. The reversal of 51033338816 is 61883333015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385955 + ... + 501026.

Almost surely, 2^51033338816 is an apocalyptic number.

It is an amenable number.

51033338816 is an abundant number, since it is smaller than the sum of its proper divisors (57107506624).

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

51033338816 is a wasteful number, since it uses less digits than its factorization.

51033338816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887053 (or 887043 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 51033338816 in words is "fifty-one billion, thirty-three million, three hundred thirty-eight thousand, eight hundred sixteen".