49999499 has 24 divisors (see below), whose sum is σ = 58988160. Its totient is φ = 42197760.

The previous prime is 49999489. The next prime is 49999529. The reversal of 49999499 is 99499994.

It is not a de Polignac number, because 49999499 - 2²⁴ = 33222283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999409) 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 23 ways as a sum of consecutive naturals, for example, 224102 + ... + 224324.

It is an arithmetic number, because the mean of its divisors is an integer number (2457840).

Almost surely, 2^49999499 is an apocalyptic number.

49999499 is a deficient number, since it is larger than the sum of its proper divisors (8988661).

49999499 is a wasteful number, since it uses less digits than its factorization.

49999499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 360 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 62.

The square root of 49999499 is about 7071.0323857270. The cubic root of 49999499 is about 368.4019193934.

The spelling of 49999499 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred ninety-nine".