50055565597 has 4 divisors (see below), whose sum is σ = 52231894560. Its totient is φ = 47879236636.

The previous prime is 50055565579. The next prime is 50055565613. The reversal of 50055565597 is 79556555005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50055565597 - 2³⁵ = 15695827229 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 (50055065597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088164447 + ... + 1088164492.

It is an arithmetic number, because the mean of its divisors is an integer number (13057973640).

Almost surely, 2^50055565597 is an apocalyptic number.

It is an amenable number.

50055565597 is a deficient number, since it is larger than the sum of its proper divisors (2176328963).

50055565597 is a wasteful number, since it uses less digits than its factorization.

50055565597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176328962.

The product of its (nonzero) digits is 5906250, while the sum is 52.

The spelling of 50055565597 in words is "fifty billion, fifty-five million, five hundred sixty-five thousand, five hundred ninety-seven".