49489856 has 56 divisors (see below), whose sum is σ = 112014000. Its totient is φ = 21491712.

The previous prime is 49489837. The next prime is 49489879. The reversal of 49489856 is 65898494.

It is a happy number.

49489856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49489798 and 49489807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12395 + ... + 15893.

It is an arithmetic number, because the mean of its divisors is an integer number (2000250).

Almost surely, 2^49489856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49489856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56007000).

49489856 is an abundant number, since it is smaller than the sum of its proper divisors (62524144).

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

49489856 is a wasteful number, since it uses less digits than its factorization.

49489856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541 (or 3531 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 49489856 is about 7034.9027001089. The cubic root of 49489856 is about 367.1459400230.

The spelling of 49489856 in words is "forty-nine million, four hundred eighty-nine thousand, eight hundred fifty-six".