52557347 has 2 divisors, whose sum is σ = 52557348. Its totient is φ = 52557346.

The previous prime is 52557311. The next prime is 52557361. The reversal of 52557347 is 74375525.

52557347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52557347 - 2¹⁴ = 52540963 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52557347.

It is not a weakly prime, because it can be changed into another prime (52557247) 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 as a sum of consecutive naturals, namely, 26278673 + 26278674.

It is an arithmetic number, because the mean of its divisors is an integer number (26278674).

Almost surely, 2^52557347 is an apocalyptic number.

52557347 is a deficient number, since it is larger than the sum of its proper divisors (1).

52557347 is an equidigital number, since it uses as much as digits as its factorization.

52557347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147000, while the sum is 38.

The square root of 52557347 is about 7249.6446119793. The cubic root of 52557347 is about 374.5799076429.

The spelling of 52557347 in words is "fifty-two million, five hundred fifty-seven thousand, three hundred forty-seven".