51502388882 has 16 divisors (see below), whose sum is σ = 90343061952. Its totient is φ = 21559139280.

The previous prime is 51502388869. The next prime is 51502388891. The reversal of 51502388882 is 28888320515.

It is a self number, because there is not a number n which added to its sum of digits gives 51502388882.

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, 42775469 + ... + 42776672.

It is an arithmetic number, because the mean of its divisors is an integer number (5646441372).

Almost surely, 2^51502388882 is an apocalyptic number.

51502388882 is a deficient number, since it is larger than the sum of its proper divisors (38840673070).

51502388882 is a wasteful number, since it uses less digits than its factorization.

51502388882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85552193.

The product of its (nonzero) digits is 1228800, while the sum is 50.

The spelling of 51502388882 in words is "fifty-one billion, five hundred two million, three hundred eighty-eight thousand, eight hundred eighty-two".