50091937957 has 4 divisors (see below), whose sum is σ = 51445774156. Its totient is φ = 48738101760.

The previous prime is 50091937949. The next prime is 50091937967. The reversal of 50091937957 is 75973919005.

50091937957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18663384996 + 31428552961 = 136614^2 + 177281^2 .

It is a cyclic number.

It is not a de Polignac number, because 50091937957 - 2³ = 50091937949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50091937898 and 50091937907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50091937967) 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, 676918044 + ... + 676918117.

It is an arithmetic number, because the mean of its divisors is an integer number (12861443539).

Almost surely, 2^50091937957 is an apocalyptic number.

It is an amenable number.

50091937957 is a deficient number, since it is larger than the sum of its proper divisors (1353836199).

50091937957 is a wasteful number, since it uses less digits than its factorization.

50091937957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353836198.

The product of its (nonzero) digits is 2679075, while the sum is 55.

The spelling of 50091937957 in words is "fifty billion, ninety-one million, nine hundred thirty-seven thousand, nine hundred fifty-seven".