49204915 has 4 divisors (see below), whose sum is σ = 59045904. Its totient is φ = 39363928.

The previous prime is 49204907. The next prime is 49204937. The reversal of 49204915 is 51940294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49204915 - 2³ = 49204907 is a prime.

It is a super-2 number, since 2×49204915² = 4842247320314450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4920487 + ... + 4920496.

It is an arithmetic number, because the mean of its divisors is an integer number (14761476).

Almost surely, 2^49204915 is an apocalyptic number.

49204915 is a deficient number, since it is larger than the sum of its proper divisors (9840989).

49204915 is an equidigital number, since it uses as much as digits as its factorization.

49204915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840988.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 49204915 is about 7014.6215150926. The cubic root of 49204915 is about 366.4399613291.

The spelling of 49204915 in words is "forty-nine million, two hundred four thousand, nine hundred fifteen".