49776894 has 12 divisors (see below), whose sum is σ = 107849976. Its totient is φ = 16592292.

The previous prime is 49776889. The next prime is 49776919. The reversal of 49776894 is 49867794.

It is a happy number.

49776894 is a `hidden beast` number, since 497 + 7 + 68 + 94 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49776894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1382674 + ... + 1382709.

It is an arithmetic number, because the mean of its divisors is an integer number (8987498).

Almost surely, 2^49776894 is an apocalyptic number.

49776894 is an abundant number, since it is smaller than the sum of its proper divisors (58073082).

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

49776894 is a wasteful number, since it uses less digits than its factorization.

49776894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765391 (or 2765388 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 49776894 is about 7055.2741973647. The cubic root of 49776894 is about 367.8543798059.

The spelling of 49776894 in words is "forty-nine million, seven hundred seventy-six thousand, eight hundred ninety-four".