50926642157 has 4 divisors (see below), whose sum is σ = 51421075680. Its totient is φ = 50432208636.

The previous prime is 50926642141. The next prime is 50926642163. The reversal of 50926642157 is 75124662905.

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 50926642157 - 2⁴ = 50926642141 is a prime.

It is a super-2 number, since 2×50926642157² (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 (50926642177) 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, 247216607 + ... + 247216812.

It is an arithmetic number, because the mean of its divisors is an integer number (12855268920).

Almost surely, 2^50926642157 is an apocalyptic number.

It is an amenable number.

50926642157 is a deficient number, since it is larger than the sum of its proper divisors (494433523).

50926642157 is a wasteful number, since it uses less digits than its factorization.

50926642157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494433522.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 50926642157 in words is "fifty billion, nine hundred twenty-six million, six hundred forty-two thousand, one hundred fifty-seven".