49118889 has 4 divisors (see below), whose sum is σ = 65491856. Its totient is φ = 32745924.

The previous prime is 49118879. The next prime is 49118921. The reversal of 49118889 is 98881194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49118889 - 2⁴ = 49118873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49118879) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8186479 + ... + 8186484.

It is an arithmetic number, because the mean of its divisors is an integer number (16372964).

Almost surely, 2^49118889 is an apocalyptic number.

It is an amenable number.

49118889 is a deficient number, since it is larger than the sum of its proper divisors (16372967).

49118889 is a wasteful number, since it uses less digits than its factorization.

49118889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16372966.

The product of its digits is 165888, while the sum is 48.

The square root of 49118889 is about 7008.4869265769. The cubic root of 49118889 is about 366.2262851617.

The spelling of 49118889 in words is "forty-nine million, one hundred eighteen thousand, eight hundred eighty-nine".