50705051557 has 4 divisors (see below), whose sum is σ = 52909619040. Its totient is φ = 48500484076.

The previous prime is 50705051539. The next prime is 50705051567. The reversal of 50705051557 is 75515050705.

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 50705051557 - 2⁷ = 50705051429 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 (50705051567) 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, 1102283707 + ... + 1102283752.

It is an arithmetic number, because the mean of its divisors is an integer number (13227404760).

Almost surely, 2^50705051557 is an apocalyptic number.

It is an amenable number.

50705051557 is a deficient number, since it is larger than the sum of its proper divisors (2204567483).

50705051557 is a wasteful number, since it uses less digits than its factorization.

50705051557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204567482.

The product of its (nonzero) digits is 153125, while the sum is 40.

The spelling of 50705051557 in words is "fifty billion, seven hundred five million, fifty-one thousand, five hundred fifty-seven".