50608798157 has 4 divisors (see below), whose sum is σ = 50736276636. Its totient is φ = 50481319680.

The previous prime is 50608798153. The next prime is 50608798267. The reversal of 50608798157 is 75189780605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75189780605 = 5 ⋅15037956121.

It can be written as a sum of positive squares in 2 ways, for example, as 17065241956 + 33543556201 = 130634^2 + 183149^2 .

It is a cyclic number.

It is not a de Polignac number, because 50608798157 - 2² = 50608798153 is a prime.

It is a super-2 number, since 2×50608798157² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50608798153) 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, 63738644 + ... + 63739437.

It is an arithmetic number, because the mean of its divisors is an integer number (12684069159).

Almost surely, 2^50608798157 is an apocalyptic number.

It is an amenable number.

50608798157 is a deficient number, since it is larger than the sum of its proper divisors (127478479).

50608798157 is a wasteful number, since it uses less digits than its factorization.

50608798157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127478478.

The product of its (nonzero) digits is 4233600, while the sum is 56.

The spelling of 50608798157 in words is "fifty billion, six hundred eight million, seven hundred ninety-eight thousand, one hundred fifty-seven".