49805263 has 4 divisors (see below), whose sum is σ = 50649480. Its totient is φ = 48961048.

The previous prime is 49805237. The next prime is 49805279. The reversal of 49805263 is 36250894.

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 49805263 - 2²⁵ = 16250831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49805233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422020 + ... + 422137.

It is an arithmetic number, because the mean of its divisors is an integer number (12662370).

Almost surely, 2^49805263 is an apocalyptic number.

49805263 is a deficient number, since it is larger than the sum of its proper divisors (844217).

49805263 is an equidigital number, since it uses as much as digits as its factorization.

49805263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844216.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 49805263 is about 7057.2843927392. The cubic root of 49805263 is about 367.9242494327.

The spelling of 49805263 in words is "forty-nine million, eight hundred five thousand, two hundred sixty-three".