57355223 has 2 divisors, whose sum is σ = 57355224. Its totient is φ = 57355222.

The previous prime is 57355213. The next prime is 57355231. The reversal of 57355223 is 32255375.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57355223 - 2⁶ = 57355159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57355223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57355213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28677611 + 28677612.

It is an arithmetic number, because the mean of its divisors is an integer number (28677612).

Almost surely, 2^57355223 is an apocalyptic number.

57355223 is a deficient number, since it is larger than the sum of its proper divisors (1).

57355223 is an equidigital number, since it uses as much as digits as its factorization.

57355223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 32.

The square root of 57355223 is about 7573.3231147232. The cubic root of 57355223 is about 385.6479178318.

The spelling of 57355223 in words is "fifty-seven million, three hundred fifty-five thousand, two hundred twenty-three".