50405575537 has 4 divisors (see below), whose sum is σ = 50406082276. Its totient is φ = 50405068800.

The previous prime is 50405575529. The next prime is 50405575543. The reversal of 50405575537 is 73557550405.

50405575537 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, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 17324877376 + 33080698161 = 131624^2 + 181881^2 .

It is a cyclic number.

It is not a de Polignac number, because 50405575537 - 2³ = 50405575529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50405575547) 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, 49464 + ... + 321337.

It is an arithmetic number, because the mean of its divisors is an integer number (12601520569).

Almost surely, 2^50405575537 is an apocalyptic number.

It is an amenable number.

50405575537 is a deficient number, since it is larger than the sum of its proper divisors (506739).

50405575537 is a wasteful number, since it uses less digits than its factorization.

50405575537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506738.

The product of its (nonzero) digits is 1837500, while the sum is 46.

The spelling of 50405575537 in words is "fifty billion, four hundred five million, five hundred seventy-five thousand, five hundred thirty-seven".