50375553065 has 4 divisors (see below), whose sum is σ = 60450663684. Its totient is φ = 40300442448.

The previous prime is 50375552963. The next prime is 50375553149. The reversal of 50375553065 is 56035557305.

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 14403120169 + 35972432896 = 120013^2 + 189664^2 .

It is a cyclic number.

It is not a de Polignac number, because 50375553065 - 2¹⁴ = 50375536681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5037555302 + ... + 5037555311.

It is an arithmetic number, because the mean of its divisors is an integer number (15112665921).

Almost surely, 2^50375553065 is an apocalyptic number.

It is an amenable number.

50375553065 is a deficient number, since it is larger than the sum of its proper divisors (10075110619).

50375553065 is a wasteful number, since it uses less digits than its factorization.

50375553065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10075110618.

The product of its (nonzero) digits is 1181250, while the sum is 44.

The spelling of 50375553065 in words is "fifty billion, three hundred seventy-five million, five hundred fifty-three thousand, sixty-five".