49032909 has 6 divisors (see below), whose sum is σ = 70825326. Its totient is φ = 32688600.

The previous prime is 49032877. The next prime is 49032911. The reversal of 49032909 is 90923094.

It can be written as a sum of positive squares in only one way, i.e., 43956900 + 5076009 = 6630^2 + 2253^2 .

It is not a de Polignac number, because 49032909 - 2⁵ = 49032877 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49032989) 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, 2724042 + ... + 2724059.

It is an arithmetic number, because the mean of its divisors is an integer number (11804221).

Almost surely, 2^49032909 is an apocalyptic number.

It is an amenable number.

49032909 is a deficient number, since it is larger than the sum of its proper divisors (21792417).

49032909 is a wasteful number, since it uses less digits than its factorization.

49032909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448107 (or 5448104 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 49032909 is about 7002.3502483095. The cubic root of 49032909 is about 366.0124738201.

The spelling of 49032909 in words is "forty-nine million, thirty-two thousand, nine hundred nine".