50613137 has 4 divisors (see below), whose sum is σ = 50703600. Its totient is φ = 50522676.

The previous prime is 50613089. The next prime is 50613161. The reversal of 50613137 is 73131605.

It is a happy number.

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 50613137 - 2¹⁰ = 50612113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50613037) 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, 44387 + ... + 45512.

It is an arithmetic number, because the mean of its divisors is an integer number (12675900).

Almost surely, 2^50613137 is an apocalyptic number.

It is an amenable number.

50613137 is a deficient number, since it is larger than the sum of its proper divisors (90463).

50613137 is an equidigital number, since it uses as much as digits as its factorization.

50613137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90462.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 50613137 is about 7114.2910398718. The cubic root of 50613137 is about 369.9029134119.

The spelling of 50613137 in words is "fifty million, six hundred thirteen thousand, one hundred thirty-seven".