50777727 has 64 divisors (see below), whose sum is σ = 93563904. Its totient is φ = 23639040.

The previous prime is 50777723. The next prime is 50777729. The reversal of 50777727 is 72777705.

It is not a de Polignac number, because 50777727 - 2² = 50777723 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50777723) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110883 + ... + 111339.

It is an arithmetic number, because the mean of its divisors is an integer number (1461936).

Almost surely, 2^50777727 is an apocalyptic number.

50777727 is a deficient number, since it is larger than the sum of its proper divisors (42786177).

50777727 is a wasteful number, since it uses less digits than its factorization.

50777727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 168070, while the sum is 42.

The square root of 50777727 is about 7125.8492125500. The cubic root of 50777727 is about 370.3034447642.

It can be divided in two parts, 50 and 777727, that added together give a palindrome (777777).

The spelling of 50777727 in words is "fifty million, seven hundred seventy-seven thousand, seven hundred twenty-seven".