50792989129 has 3 divisors (see below), whose sum is σ = 50793214503. Its totient is φ = 50792763756.

The previous prime is 50792989109. The next prime is 50792989171. The reversal of 50792989129 is 92198929705.

The square root of 50792989129 is 225373.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 34241652025 + 16551337104 = 185045^2 + 128652^2 .

It is not a de Polignac number, because 50792989129 - 2⁵ = 50792989097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50792989109) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 112687 + ... + 338059.

It is an arithmetic number, because the mean of its divisors is an integer number (16931071501).

Almost surely, 2^50792989129 is an apocalyptic number.

50792989129 is the 225373-rd square number.

50792989129 is the 112687-th centered octagonal number.

It is an amenable number.

50792989129 is a deficient number, since it is larger than the sum of its proper divisors (225374).

50792989129 is an frugal number, since it uses more digits than its factorization.

50792989129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450746 (or 225373 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 61.

The spelling of 50792989129 in words is "fifty billion, seven hundred ninety-two million, nine hundred eighty-nine thousand, one hundred twenty-nine".