49489144 has 32 divisors (see below), whose sum is σ = 96215040. Its totient is φ = 23839200.

The previous prime is 49489133. The next prime is 49489147. The reversal of 49489144 is 44198494.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 49489144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49489147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106657 + ... + 107119.

It is an arithmetic number, because the mean of its divisors is an integer number (3006720).

Almost surely, 2^49489144 is an apocalyptic number.

It is an amenable number.

49489144 is a deficient number, since it is larger than the sum of its proper divisors (46725896).

49489144 is a wasteful number, since it uses less digits than its factorization.

49489144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 927 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 49489144 is about 7034.8520951048. The cubic root of 49489144 is about 367.1441793311.

The spelling of 49489144 in words is "forty-nine million, four hundred eighty-nine thousand, one hundred forty-four".