49221689 has 8 divisors (see below), whose sum is σ = 55006560. Its totient is φ = 43655200.

The previous prime is 49221677. The next prime is 49221691. The reversal of 49221689 is 98612294.

49221689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49221689 - 2¹⁶ = 49156153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49221619) 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 7 ways as a sum of consecutive naturals, for example, 54119 + ... + 55020.

It is an arithmetic number, because the mean of its divisors is an integer number (6875820).

Almost surely, 2^49221689 is an apocalyptic number.

It is an amenable number.

49221689 is a deficient number, since it is larger than the sum of its proper divisors (5784871).

49221689 is a wasteful number, since it uses less digits than its factorization.

49221689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109191.

The product of its digits is 62208, while the sum is 41.

The square root of 49221689 is about 7015.8170586183. The cubic root of 49221689 is about 366.4815965030.

The spelling of 49221689 in words is "forty-nine million, two hundred twenty-one thousand, six hundred eighty-nine".