49662189 has 6 divisors (see below), whose sum is σ = 71734286. Its totient is φ = 33108120.

The previous prime is 49662187. The next prime is 49662191. The reversal of 49662189 is 98126694.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49662187) and next prime (49662191).

It can be written as a sum of positive squares in only one way, i.e., 44116164 + 5546025 = 6642^2 + 2355^2 .

It is not a de Polignac number, because 49662189 - 2¹ = 49662187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49662187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2759002 + ... + 2759019.

Almost surely, 2^49662189 is an apocalyptic number.

It is an amenable number.

49662189 is a deficient number, since it is larger than the sum of its proper divisors (22072097).

49662189 is a wasteful number, since it uses less digits than its factorization.

49662189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518027 (or 5518024 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 49662189 is about 7047.1404839126. The cubic root of 49662189 is about 367.5716034296.

The spelling of 49662189 in words is "forty-nine million, six hundred sixty-two thousand, one hundred eighty-nine".