49455823 has 4 divisors (see below), whose sum is σ = 49485880. Its totient is φ = 49425768.

The previous prime is 49455781. The next prime is 49455869. The reversal of 49455823 is 32855494.

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 49455823 - 2²¹ = 47358671 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 (49455883) 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, 12408 + ... + 15901.

It is an arithmetic number, because the mean of its divisors is an integer number (12371470).

Almost surely, 2^49455823 is an apocalyptic number.

49455823 is a deficient number, since it is larger than the sum of its proper divisors (30057).

49455823 is a wasteful number, since it uses less digits than its factorization.

49455823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30056.

The product of its digits is 172800, while the sum is 40.

The square root of 49455823 is about 7032.4834162620. The cubic root of 49455823 is about 367.0617615396.

The spelling of 49455823 in words is "forty-nine million, four hundred fifty-five thousand, eight hundred twenty-three".