51958883684 has 12 divisors (see below), whose sum is σ = 90929745900. Its totient is φ = 25978956288.

The previous prime is 51958883671. The next prime is 51958883689. The reversal of 51958883684 is 48638885915.

51958883684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34659268900 + 17299614784 = 186170^2 + 131528^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51958883684.

It is not an unprimeable number, because it can be changed into a prime (51958883689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236852 + ... + 400020.

It is an arithmetic number, because the mean of its divisors is an integer number (7577478825).

Almost surely, 2^51958883684 is an apocalyptic number.

It is an amenable number.

51958883684 is a deficient number, since it is larger than the sum of its proper divisors (38970862216).

51958883684 is a wasteful number, since it uses less digits than its factorization.

51958883684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242782 (or 242780 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 65.

The spelling of 51958883684 in words is "fifty-one billion, nine hundred fifty-eight million, eight hundred eighty-three thousand, six hundred eighty-four".