49145889 has 16 divisors (see below), whose sum is σ = 71366400. Its totient is φ = 29901696.

The previous prime is 49145851. The next prime is 49145891. The reversal of 49145889 is 98854194.

49145889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49145889 - 2⁹ = 49145377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49145389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3609 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (4460400).

Almost surely, 2^49145889 is an apocalyptic number.

It is an amenable number.

49145889 is a deficient number, since it is larger than the sum of its proper divisors (22220511).

49145889 is a wasteful number, since it uses less digits than its factorization.

49145889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14264.

The product of its digits is 414720, while the sum is 48.

The square root of 49145889 is about 7010.4128979683. The cubic root of 49145889 is about 366.2933761095.

The spelling of 49145889 in words is "forty-nine million, one hundred forty-five thousand, eight hundred eighty-nine".