49009249 has 4 divisors (see below), whose sum is σ = 51892164. Its totient is φ = 46126336.

The previous prime is 49009237. The next prime is 49009267. The reversal of 49009249 is 94290094.

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 35319249 + 13690000 = 5943^2 + 3700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49009249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49009049) 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, 1441432 + ... + 1441465.

It is an arithmetic number, because the mean of its divisors is an integer number (12973041).

Almost surely, 2^49009249 is an apocalyptic number.

It is an amenable number.

49009249 is a deficient number, since it is larger than the sum of its proper divisors (2882915).

49009249 is a wasteful number, since it uses less digits than its factorization.

49009249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882914.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 49009249 is about 7000.6606116852. The cubic root of 49009249 is about 365.9535933079.

The spelling of 49009249 in words is "forty-nine million, nine thousand, two hundred forty-nine".