49812499 has 32 divisors (see below), whose sum is σ = 60419520. Its totient is φ = 40550400.

The previous prime is 49812491. The next prime is 49812523. The reversal of 49812499 is 99421894.

It is not a de Polignac number, because 49812499 - 2³ = 49812491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49812491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559647 + ... + 559735.

It is an arithmetic number, because the mean of its divisors is an integer number (1888110).

Almost surely, 2^49812499 is an apocalyptic number.

49812499 is a deficient number, since it is larger than the sum of its proper divisors (10607021).

49812499 is a wasteful number, since it uses less digits than its factorization.

49812499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231.

The product of its digits is 186624, while the sum is 46.

The square root of 49812499 is about 7057.7970359029. The cubic root of 49812499 is about 367.9420666324.

The spelling of 49812499 in words is "forty-nine million, eight hundred twelve thousand, four hundred ninety-nine".