49494823 has 4 divisors (see below), whose sum is σ = 56565520. Its totient is φ = 42424128.

The previous prime is 49494779. The next prime is 49494833. The reversal of 49494823 is 32849494.

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 49494823 - 2¹⁷ = 49363751 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 49494823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49494833) 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, 3535338 + ... + 3535351.

It is an arithmetic number, because the mean of its divisors is an integer number (14141380).

Almost surely, 2^49494823 is an apocalyptic number.

49494823 is a deficient number, since it is larger than the sum of its proper divisors (7070697).

49494823 is an equidigital number, since it uses as much as digits as its factorization.

49494823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070696.

The product of its digits is 248832, while the sum is 43.

The square root of 49494823 is about 7035.2557167455. The cubic root of 49494823 is about 367.1582223573.

The spelling of 49494823 in words is "forty-nine million, four hundred ninety-four thousand, eight hundred twenty-three".