51973396192 has 48 divisors (see below), whose sum is σ = 102616349472. Its totient is φ = 25912230400.

The previous prime is 51973396187. The next prime is 51973396193. The reversal of 51973396192 is 29169337915.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51973396193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22049478 + ... + 22051834.

It is an arithmetic number, because the mean of its divisors is an integer number (2137840614).

Almost surely, 2^51973396192 is an apocalyptic number.

It is an amenable number.

51973396192 is a deficient number, since it is larger than the sum of its proper divisors (50642953280).

51973396192 is a wasteful number, since it uses less digits than its factorization.

51973396192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051 (or 4043 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 55.

The spelling of 51973396192 in words is "fifty-one billion, nine hundred seventy-three million, three hundred ninety-six thousand, one hundred ninety-two".