49221889 has 4 divisors (see below), whose sum is σ = 49405140. Its totient is φ = 49038640.

The previous prime is 49221857. The next prime is 49221899. The reversal of 49221889 is 98812294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2873025 + 46348864 = 1695^2 + 6808^2 .

It is a cyclic number.

It is not a de Polignac number, because 49221889 - 2⁵ = 49221857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49221839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91222 + ... + 91759.

It is an arithmetic number, because the mean of its divisors is an integer number (12351285).

Almost surely, 2^49221889 is an apocalyptic number.

It is an amenable number.

49221889 is a deficient number, since it is larger than the sum of its proper divisors (183251).

49221889 is a wasteful number, since it uses less digits than its factorization.

49221889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183250.

The product of its digits is 82944, while the sum is 43.

The square root of 49221889 is about 7015.8313121112. The cubic root of 49221889 is about 366.4820928710.

The spelling of 49221889 in words is "forty-nine million, two hundred twenty-one thousand, eight hundred eighty-nine".