50775239 has 4 divisors (see below), whose sum is σ = 53447640. Its totient is φ = 48102840.

The previous prime is 50775229. The next prime is 50775247. The reversal of 50775239 is 93257705.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50775239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50775229) 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, 1336172 + ... + 1336209.

It is an arithmetic number, because the mean of its divisors is an integer number (13361910).

Almost surely, 2^50775239 is an apocalyptic number.

50775239 is a deficient number, since it is larger than the sum of its proper divisors (2672401).

50775239 is a wasteful number, since it uses less digits than its factorization.

50775239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672400.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 50775239 is about 7125.6746347276. The cubic root of 50775239 is about 370.2973966399.

The spelling of 50775239 in words is "fifty million, seven hundred seventy-five thousand, two hundred thirty-nine".