49416649 has 4 divisors (see below), whose sum is σ = 50226820. Its totient is φ = 48606480.

The previous prime is 49416641. The next prime is 49416659. The reversal of 49416649 is 94661494.

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 7075600 + 42341049 = 2660^2 + 6507^2 .

It is a cyclic number.

It is not a de Polignac number, because 49416649 - 2³ = 49416641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49416641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404994 + ... + 405115.

It is an arithmetic number, because the mean of its divisors is an integer number (12556705).

Almost surely, 2^49416649 is an apocalyptic number.

It is an amenable number.

49416649 is a deficient number, since it is larger than the sum of its proper divisors (810171).

49416649 is an equidigital number, since it uses as much as digits as its factorization.

49416649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810170.

The product of its digits is 186624, while the sum is 43.

The square root of 49416649 is about 7029.6976464141. The cubic root of 49416649 is about 366.9648192932.

The spelling of 49416649 in words is "forty-nine million, four hundred sixteen thousand, six hundred forty-nine".