50436042617 has 4 divisors (see below), whose sum is σ = 50437445520. Its totient is φ = 50434639716.

The previous prime is 50436042599. The next prime is 50436042623. The reversal of 50436042617 is 71624063405.

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 a de Polignac number, because none of the positive numbers 2^k-50436042617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50430042617) 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, 646067 + ... + 719912.

It is an arithmetic number, because the mean of its divisors is an integer number (12609361380).

Almost surely, 2^50436042617 is an apocalyptic number.

It is an amenable number.

50436042617 is a deficient number, since it is larger than the sum of its proper divisors (1402903).

50436042617 is a wasteful number, since it uses less digits than its factorization.

50436042617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402902.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 50436042617 in words is "fifty billion, four hundred thirty-six million, forty-two thousand, six hundred seventeen".