50045917187 has 4 divisors (see below), whose sum is σ = 57195333936. Its totient is φ = 42896500440.

The previous prime is 50045917147. The next prime is 50045917193. The reversal of 50045917187 is 78171954005.

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

It is a cyclic number.

It is not a de Polignac number, because 50045917187 - 2¹⁴ = 50045900803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50045917147) 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, 3574708364 + ... + 3574708377.

It is an arithmetic number, because the mean of its divisors is an integer number (14298833484).

Almost surely, 2^50045917187 is an apocalyptic number.

50045917187 is a deficient number, since it is larger than the sum of its proper divisors (7149416749).

50045917187 is an equidigital number, since it uses as much as digits as its factorization.

50045917187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149416748.

The product of its (nonzero) digits is 352800, while the sum is 47.

The spelling of 50045917187 in words is "fifty billion, forty-five million, nine hundred seventeen thousand, one hundred eighty-seven".