49929209 has 8 divisors (see below), whose sum is σ = 54885600. Its totient is φ = 45042400.

The previous prime is 49929203. The next prime is 49929227. The reversal of 49929209 is 90292994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49929209 - 2⁴ = 49929193 is a prime.

It is a super-2 number, since 2×49929209² = 4985851822731362, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49929209.

It is not an unprimeable number, because it can be changed into a prime (49929203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15884 + ... + 18765.

It is an arithmetic number, because the mean of its divisors is an integer number (6860700).

Almost surely, 2^49929209 is an apocalyptic number.

It is an amenable number.

49929209 is a deficient number, since it is larger than the sum of its proper divisors (4956391).

49929209 is a wasteful number, since it uses less digits than its factorization.

49929209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34791.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 49929209 is about 7066.0603592101. The cubic root of 49929209 is about 368.2292035634.

The spelling of 49929209 in words is "forty-nine million, nine hundred twenty-nine thousand, two hundred nine".