49666297 has 4 divisors (see below), whose sum is σ = 50130576. Its totient is φ = 49202020.

The previous prime is 49666289. The next prime is 49666307. The reversal of 49666297 is 79266694.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49666297 - 2³ = 49666289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49666297.

It is not an unprimeable number, because it can be changed into a prime (49666237) 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, 231979 + ... + 232192.

It is an arithmetic number, because the mean of its divisors is an integer number (12532644).

Almost surely, 2^49666297 is an apocalyptic number.

It is an amenable number.

49666297 is a deficient number, since it is larger than the sum of its proper divisors (464279).

49666297 is a wasteful number, since it uses less digits than its factorization.

49666297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464278.

The product of its digits is 979776, while the sum is 49.

The square root of 49666297 is about 7047.4319436232. The cubic root of 49666297 is about 367.5817381856.

The spelling of 49666297 in words is "forty-nine million, six hundred sixty-six thousand, two hundred ninety-seven".