49499867 has 4 divisors (see below), whose sum is σ = 49656336. Its totient is φ = 49343400.

The previous prime is 49499803. The next prime is 49499873. The reversal of 49499867 is 76899494.

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 49499867 - 2⁶ = 49499803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49469867) 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, 77759 + ... + 78392.

It is an arithmetic number, because the mean of its divisors is an integer number (12414084).

Almost surely, 2^49499867 is an apocalyptic number.

49499867 is a deficient number, since it is larger than the sum of its proper divisors (156469).

49499867 is a wasteful number, since it uses less digits than its factorization.

49499867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156468.

The product of its digits is 3919104, while the sum is 56.

The square root of 49499867 is about 7035.6141878304. The cubic root of 49499867 is about 367.1706942554.

The spelling of 49499867 in words is "forty-nine million, four hundred ninety-nine thousand, eight hundred sixty-seven".