51192050239044 has 729 divisors, whose sum is σ = 159740630834967. Its totient is φ = 13806021715200.

The previous prime is 51192050238961. The next prime is 51192050239049. The reversal of 51192050239044 is 44093205029115.

It is a happy number.

The square root of 51192050239044 is 7154862.

It is a perfect power (a square), and thus also a powerful number.

51192050239044 is a `hidden beast` number, since 5 + 1 + 19 + 2 + 0 + 502 + 3 + 90 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32235709522500 + 18956340716544 = 5677650^2 + 4353888^2 .

It is not an unprimeable number, because it can be changed into a prime (51192050239049) by changing a digit.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 190305019342 + ... + 190305019610.

Almost surely, 2^{51192050239044} is an apocalyptic number.

51192050239044 is the 7154862-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51192050239044

51192050239044 is an abundant number, since it is smaller than the sum of its proper divisors (108548580595923).

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

51192050239044 is a wasteful number, since it uses less digits than its factorization.

51192050239044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 51192050239044 in words is "fifty-one trillion, one hundred ninety-two billion, fifty million, two hundred thirty-nine thousand, forty-four".