52557823 has 2 divisors, whose sum is σ = 52557824. Its totient is φ = 52557822.

The previous prime is 52557767. The next prime is 52557833. The reversal of 52557823 is 32875525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52557823 - 2⁹ = 52557311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52557833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26278911 + 26278912.

It is an arithmetic number, because the mean of its divisors is an integer number (26278912).

Almost surely, 2^52557823 is an apocalyptic number.

52557823 is a deficient number, since it is larger than the sum of its proper divisors (1).

52557823 is an equidigital number, since it uses as much as digits as its factorization.

52557823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 37.

The square root of 52557823 is about 7249.6774411004. The cubic root of 52557823 is about 374.5810384680.

The spelling of 52557823 in words is "fifty-two million, five hundred fifty-seven thousand, eight hundred twenty-three".