51000054366 has 32 divisors (see below), whose sum is σ = 108098802720. Its totient is φ = 15985396736.

The previous prime is 51000054331. The next prime is 51000054431. The reversal of 51000054366 is 66345000015.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116001 + ... + 339788.

It is an arithmetic number, because the mean of its divisors is an integer number (3378087585).

Almost surely, 2^51000054366 is an apocalyptic number.

51000054366 is an abundant number, since it is smaller than the sum of its proper divisors (57098748354).

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

51000054366 is a wasteful number, since it uses less digits than its factorization.

51000054366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456908.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 51000054366 in words is "fifty-one billion, fifty-four thousand, three hundred sixty-six".