49853844 has 18 divisors (see below), whose sum is σ = 126019530. Its totient is φ = 16617936.

The previous prime is 49853833. The next prime is 49853861. The reversal of 49853844 is 44835894.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30669444 + 19184400 = 5538^2 + 4380^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 49853844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692379 + ... + 692450.

It is an arithmetic number, because the mean of its divisors is an integer number (7001085).

Almost surely, 2^49853844 is an apocalyptic number.

It is an amenable number.

49853844 is an abundant number, since it is smaller than the sum of its proper divisors (76165686).

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

49853844 is a wasteful number, since it uses less digits than its factorization.

49853844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384839 (or 1384834 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 49853844 is about 7060.7254584780. The cubic root of 49853844 is about 368.0438373266.

The spelling of 49853844 in words is "forty-nine million, eight hundred fifty-three thousand, eight hundred forty-four".