49183609 has 4 divisors (see below), whose sum is σ = 51772240. Its totient is φ = 46594980.

The previous prime is 49183597. The next prime is 49183613. The reversal of 49183609 is 90638194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49183609 - 2⁷ = 49183481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49183649) 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, 1294287 + ... + 1294324.

It is an arithmetic number, because the mean of its divisors is an integer number (12943060).

Almost surely, 2^49183609 is an apocalyptic number.

It is an amenable number.

49183609 is a deficient number, since it is larger than the sum of its proper divisors (2588631).

49183609 is a wasteful number, since it uses less digits than its factorization.

49183609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588630.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 49183609 is about 7013.1026657251. The cubic root of 49183609 is about 366.3870635175.

It can be divided in two parts, 491 and 83609, that added together give a square (84100 = 290²).

The spelling of 49183609 in words is "forty-nine million, one hundred eighty-three thousand, six hundred nine".