50505550525 has 12 divisors (see below), whose sum is σ = 62633342772. Its totient is φ = 40400272640.

The previous prime is 50505550519. The next prime is 50505550531. The reversal of 50505550525 is 52505550505.

It is an interprime number because it is at equal distance from previous prime (50505550519) and next prime (50505550531).

It can be written as a sum of positive squares in 6 ways, for example, as 1905584409 + 48599966116 = 43653^2 + 220454^2 .

It is not a de Polignac number, because 50505550525 - 2⁹ = 50505550013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155727 + ... + 353923.

It is an arithmetic number, because the mean of its divisors is an integer number (5219445231).

Almost surely, 2^50505550525 is an apocalyptic number.

It is an amenable number.

50505550525 is a deficient number, since it is larger than the sum of its proper divisors (12127792247).

50505550525 is a wasteful number, since it uses less digits than its factorization.

50505550525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208400 (or 208395 counting only the distinct ones).

The product of its (nonzero) digits is 156250, while the sum is 37.

The spelling of 50505550525 in words is "fifty billion, five hundred five million, five hundred fifty thousand, five hundred twenty-five".