49249868 has 6 divisors (see below), whose sum is σ = 86187276. Its totient is φ = 24624932.

The previous prime is 49249819. The next prime is 49249873. The reversal of 49249868 is 86894294.

It is a happy 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 as a sum of consecutive naturals, namely, 6156230 + ... + 6156237.

It is an arithmetic number, because the mean of its divisors is an integer number (14364546).

Almost surely, 2^49249868 is an apocalyptic number.

It is an amenable number.

49249868 is a deficient number, since it is larger than the sum of its proper divisors (36937408).

49249868 is a wasteful number, since it uses less digits than its factorization.

49249868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12312471 (or 12312469 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 49249868 is about 7017.8250191922. The cubic root of 49249868 is about 366.5515190312.

The spelling of 49249868 in words is "forty-nine million, two hundred forty-nine thousand, eight hundred sixty-eight".