51730042886 has 8 divisors (see below), whose sum is σ = 77602494960. Its totient is φ = 25862544568.

The previous prime is 51730042843. The next prime is 51730042909. The reversal of 51730042886 is 68824003715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212221 + ... + 1254168.

It is an arithmetic number, because the mean of its divisors is an integer number (9700311870).

Almost surely, 2^51730042886 is an apocalyptic number.

51730042886 is a deficient number, since it is larger than the sum of its proper divisors (25872452074).

51730042886 is a wasteful number, since it uses less digits than its factorization.

51730042886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476878.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 51730042886 in words is "fifty-one billion, seven hundred thirty million, forty-two thousand, eight hundred eighty-six".