49457923 has 4 divisors (see below), whose sum is σ = 50013720. Its totient is φ = 48902128.

The previous prime is 49457921. The next prime is 49457951. The reversal of 49457923 is 32975494.

49457923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49457923 - 2¹ = 49457921 is a prime.

It is a super-2 number, since 2×49457923² = 4892172294947858, which contains 22 as substring.

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 49457923.

It is not an unprimeable number, because it can be changed into a prime (49457921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277765 + ... + 277942.

It is an arithmetic number, because the mean of its divisors is an integer number (12503430).

Almost surely, 2^49457923 is an apocalyptic number.

49457923 is a deficient number, since it is larger than the sum of its proper divisors (555797).

49457923 is an equidigital number, since it uses as much as digits as its factorization.

49457923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555796.

The product of its digits is 272160, while the sum is 43.

The square root of 49457923 is about 7032.6327218190. The cubic root of 49457923 is about 367.0669568751.

The spelling of 49457923 in words is "forty-nine million, four hundred fifty-seven thousand, nine hundred twenty-three".