50502902557 has 12 divisors (see below), whose sum is σ = 53438016060. Its totient is φ = 47721727872.

The previous prime is 50502902531. The next prime is 50502902561. The reversal of 50502902557 is 75520920505.

It can be written as a sum of positive squares in 2 ways, for example, as 18100742521 + 32402160036 = 134539^2 + 180006^2 .

It is not a de Polignac number, because 50502902557 - 2¹⁵ = 50502869789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50502902587) 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 11 ways as a sum of consecutive naturals, for example, 39388 + ... + 320245.

It is an arithmetic number, because the mean of its divisors is an integer number (4453168005).

Almost surely, 2^50502902557 is an apocalyptic number.

It is an amenable number.

50502902557 is a deficient number, since it is larger than the sum of its proper divisors (2935113503).

50502902557 is a wasteful number, since it uses less digits than its factorization.

50502902557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360060 (or 360041 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 50502902557 in words is "fifty billion, five hundred two million, nine hundred two thousand, five hundred fifty-seven".