50855739 has 16 divisors (see below), whose sum is σ = 75548160. Its totient is φ = 30164960.

The previous prime is 50855731. The next prime is 50855741. The reversal of 50855739 is 93755805.

It is a cyclic number.

It is not a de Polignac number, because 50855739 - 2³ = 50855731 is a prime.

It is a super-2 number, since 2×50855739² = 5172612378472242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50855739.

It is not an unprimeable number, because it can be changed into a prime (50855731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14844 + ... + 17945.

It is an arithmetic number, because the mean of its divisors is an integer number (4721760).

Almost surely, 2^50855739 is an apocalyptic number.

50855739 is a deficient number, since it is larger than the sum of its proper divisors (24692421).

50855739 is a wasteful number, since it uses less digits than its factorization.

50855739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32850.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 50855739 is about 7131.3209856239. The cubic root of 50855739 is about 370.4929854194.

The spelling of 50855739 in words is "fifty million, eight hundred fifty-five thousand, seven hundred thirty-nine".