50872014157 has 4 divisors (see below), whose sum is σ = 53864485596. Its totient is φ = 47879542720.

The previous prime is 50872014121. The next prime is 50872014161. The reversal of 50872014157 is 75141027805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75141027805 = 5 ⋅15028205561.

It can be written as a sum of positive squares in 2 ways, for example, as 21347839881 + 29524174276 = 146109^2 + 171826^2 .

It is a cyclic number.

It is not a de Polignac number, because 50872014157 - 2²⁷ = 50737796429 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 (50872014197) 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, 1496235694 + ... + 1496235727.

It is an arithmetic number, because the mean of its divisors is an integer number (13466121399).

Almost surely, 2^50872014157 is an apocalyptic number.

It is an amenable number.

50872014157 is a deficient number, since it is larger than the sum of its proper divisors (2992471439).

50872014157 is a wasteful number, since it uses less digits than its factorization.

50872014157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992471438.

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 50872014157 in words is "fifty billion, eight hundred seventy-two million, fourteen thousand, one hundred fifty-seven".