51032395392 has 64 divisors (see below), whose sum is σ = 147877976160. Its totient is φ = 15464360960.

The previous prime is 51032395391. The next prime is 51032395429. The reversal of 51032395392 is 29359323015.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51032395391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6036543 + ... + 6044990.

Almost surely, 2^51032395392 is an apocalyptic number.

It is an amenable number.

51032395392 is an abundant number, since it is smaller than the sum of its proper divisors (96845580768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51032395392 is a wasteful number, since it uses less digits than its factorization.

51032395392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12081561 (or 12081549 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 42.

The spelling of 51032395392 in words is "fifty-one billion, thirty-two million, three hundred ninety-five thousand, three hundred ninety-two".