51051886584 has 32 divisors (see below), whose sum is σ = 135137347920. Its totient is φ = 16016278016.

The previous prime is 51051886583. The next prime is 51051886631. The reversal of 51051886584 is 48568815015.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051886583) 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, 62563179 + ... + 62563994.

Almost surely, 2^51051886584 is an apocalyptic number.

It is an amenable number.

51051886584 is an abundant number, since it is smaller than the sum of its proper divisors (84085461336).

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

51051886584 is a wasteful number, since it uses less digits than its factorization.

51051886584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125127199 (or 125127195 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 51.

The spelling of 51051886584 in words is "fifty-one billion, fifty-one million, eight hundred eighty-six thousand, five hundred eighty-four".