49493915 has 4 divisors (see below), whose sum is σ = 59392704. Its totient is φ = 39595128.

The previous prime is 49493911. The next prime is 49493921. The reversal of 49493915 is 51939494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51939494 = 2 ⋅25969747.

It is a cyclic number.

It is not a de Polignac number, because 49493915 - 2² = 49493911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49493911) by changing a digit.

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, 4949387 + ... + 4949396.

It is an arithmetic number, because the mean of its divisors is an integer number (14848176).

Almost surely, 2^49493915 is an apocalyptic number.

49493915 is a deficient number, since it is larger than the sum of its proper divisors (9898789).

49493915 is an equidigital number, since it uses as much as digits as its factorization.

49493915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9898788.

The product of its digits is 174960, while the sum is 44.

The square root of 49493915 is about 7035.1911843247. The cubic root of 49493915 is about 367.1559771279.

The spelling of 49493915 in words is "forty-nine million, four hundred ninety-three thousand, nine hundred fifteen".