49768823 has 4 divisors (see below), whose sum is σ = 53597208. Its totient is φ = 45940440.

The previous prime is 49768787. The next prime is 49768837. The reversal of 49768823 is 32886794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32886794 = 2 ⋅16443397.

It is not a de Polignac number, because 49768823 - 2¹⁶ = 49703287 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 (49768883) 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, 1914173 + ... + 1914198.

It is an arithmetic number, because the mean of its divisors is an integer number (13399302).

Almost surely, 2^49768823 is an apocalyptic number.

49768823 is a deficient number, since it is larger than the sum of its proper divisors (3828385).

49768823 is a wasteful number, since it uses less digits than its factorization.

49768823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828384.

The product of its digits is 580608, while the sum is 47.

The square root of 49768823 is about 7054.7021907377. The cubic root of 49768823 is about 367.8344969986.

The spelling of 49768823 in words is "forty-nine million, seven hundred sixty-eight thousand, eight hundred twenty-three".