50625009121 has 4 divisors (see below), whose sum is σ = 53602950852. Its totient is φ = 47647067392.

The previous prime is 50625009107. The next prime is 50625009133. The reversal of 50625009121 is 12190052605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22488301521 + 28136707600 = 149961^2 + 167740^2 .

It is a cyclic number.

It is not a de Polignac number, because 50625009121 - 2²⁵ = 50591454689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50625009151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488970840 + ... + 1488970873.

It is an arithmetic number, because the mean of its divisors is an integer number (13400737713).

Almost surely, 2^50625009121 is an apocalyptic number.

It is an amenable number.

50625009121 is a deficient number, since it is larger than the sum of its proper divisors (2977941731).

50625009121 is a wasteful number, since it uses less digits than its factorization.

50625009121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977941730.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 50625009121 in words is "fifty billion, six hundred twenty-five million, nine thousand, one hundred twenty-one".