51902064385 has 8 divisors (see below), whose sum is σ = 64990411200. Its totient is φ = 39716362224.

The previous prime is 51902064377. The next prime is 51902064481. The reversal of 51902064385 is 58346020915.

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

It is a cyclic number.

It is not a de Polignac number, because 51902064385 - 2³ = 51902064377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225661035 + ... + 225661264.

It is an arithmetic number, because the mean of its divisors is an integer number (8123801400).

Almost surely, 2^51902064385 is an apocalyptic number.

It is an amenable number.

51902064385 is a deficient number, since it is larger than the sum of its proper divisors (13088346815).

51902064385 is a wasteful number, since it uses less digits than its factorization.

51902064385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451322327.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 51902064385 in words is "fifty-one billion, nine hundred two million, sixty-four thousand, three hundred eighty-five".