50777136 has 30 divisors (see below), whose sum is σ = 142105860. Its totient is φ = 16925664.

The previous prime is 50777131. The next prime is 50777143. The reversal of 50777136 is 63177705.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 50777136.

It is not an unprimeable number, because it can be changed into a prime (50777131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176166 + ... + 176453.

It is an arithmetic number, because the mean of its divisors is an integer number (4736862).

Almost surely, 2^50777136 is an apocalyptic number.

It is an amenable number.

50777136 is an abundant number, since it is smaller than the sum of its proper divisors (91328724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50777136 is a wasteful number, since it uses less digits than its factorization.

50777136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352633 (or 352624 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 50777136 is about 7125.8077436877. The cubic root of 50777136 is about 370.3020081095.

The spelling of 50777136 in words is "fifty million, seven hundred seventy-seven thousand, one hundred thirty-six".