49920207 has 4 divisors (see below), whose sum is σ = 66560280. Its totient is φ = 33280136.

The previous prime is 49920203. The next prime is 49920229. The reversal of 49920207 is 70202994.

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 49920207 - 2² = 49920203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49920203) 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, 8320032 + ... + 8320037.

It is an arithmetic number, because the mean of its divisors is an integer number (16640070).

Almost surely, 2^49920207 is an apocalyptic number.

49920207 is a deficient number, since it is larger than the sum of its proper divisors (16640073).

49920207 is a wasteful number, since it uses less digits than its factorization.

49920207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16640072.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 49920207 is about 7065.4233418812. The cubic root of 49920207 is about 368.2070722393.

It can be divided in two parts, 499 and 20207, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 49920207 in words is "forty-nine million, nine hundred twenty thousand, two hundred seven".