49315609 has 6 divisors (see below), whose sum is σ = 57367194. Its totient is φ = 42270480.

The previous prime is 49315597. The next prime is 49315639. The reversal of 49315609 is 90651394.

It can be written as a sum of positive squares in only one way, i.e., 40043584 + 9272025 = 6328^2 + 3045^2 .

It is not a de Polignac number, because 49315609 - 2⁵ = 49315577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49315639) 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, 503172 + ... + 503269.

It is an arithmetic number, because the mean of its divisors is an integer number (9561199).

Almost surely, 2^49315609 is an apocalyptic number.

49315609 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49315609 is a deficient number, since it is larger than the sum of its proper divisors (8051585).

49315609 is a wasteful number, since it uses less digits than its factorization.

49315609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006455 (or 1006448 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 49315609 is about 7022.5073157669. The cubic root of 49315609 is about 366.7145431515.

The spelling of 49315609 in words is "forty-nine million, three hundred fifteen thousand, six hundred nine".