50505550557 has 32 divisors (see below), whose sum is σ = 84052700160. Its totient is φ = 26206830720.

The previous prime is 50505550531. The next prime is 50505550603. The reversal of 50505550557 is 75505550505.

It is not a de Polignac number, because 50505550557 - 2²⁴ = 50488773341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505550457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80169 + ... + 327777.

It is an arithmetic number, because the mean of its divisors is an integer number (2626646880).

Almost surely, 2^50505550557 is an apocalyptic number.

It is an amenable number.

50505550557 is a deficient number, since it is larger than the sum of its proper divisors (33547149603).

50505550557 is a wasteful number, since it uses less digits than its factorization.

50505550557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248513.

The product of its (nonzero) digits is 546875, while the sum is 42.

The spelling of 50505550557 in words is "fifty billion, five hundred five million, five hundred fifty thousand, five hundred fifty-seven".