51939177315652 has 24 divisors (see below), whose sum is σ = 99880382135520. Its totient is φ = 23436390557760.

The previous prime is 51939177315647. The next prime is 51939177315673. The reversal of 51939177315652 is 25651377193915.

51939177315652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 4308154002 + ... + 4308166057.

It is an arithmetic number, because the mean of its divisors is an integer number (4161682588980).

Almost surely, 2^{51939177315652} is an apocalyptic number.

It is an amenable number.

51939177315652 is a deficient number, since it is larger than the sum of its proper divisors (47941204819868).

51939177315652 is a wasteful number, since it uses less digits than its factorization.

51939177315652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616320211 (or 8616320209 counting only the distinct ones).

The product of its digits is 53581500, while the sum is 64.

The spelling of 51939177315652 in words is "fifty-one trillion, nine hundred thirty-nine billion, one hundred seventy-seven million, three hundred fifteen thousand, six hundred fifty-two".