49863823 has 2 divisors, whose sum is σ = 49863824. Its totient is φ = 49863822.

The previous prime is 49863811. The next prime is 49863829. The reversal of 49863823 is 32836894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49863823 - 2⁹ = 49863311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49863823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49863829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24931911 + 24931912.

It is an arithmetic number, because the mean of its divisors is an integer number (24931912).

Almost surely, 2^49863823 is an apocalyptic number.

49863823 is a deficient number, since it is larger than the sum of its proper divisors (1).

49863823 is an equidigital number, since it uses as much as digits as its factorization.

49863823 is an evil number, because the sum of its binary digits is even.

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

The square root of 49863823 is about 7061.4320785518. The cubic root of 49863823 is about 368.0683921996.

The spelling of 49863823 in words is "forty-nine million, eight hundred sixty-three thousand, eight hundred twenty-three".