57036223 has 2 divisors, whose sum is σ = 57036224. Its totient is φ = 57036222.

The previous prime is 57036211. The next prime is 57036253. The reversal of 57036223 is 32263075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57036223 - 2⁵ = 57036191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57036191 and 57036200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57036253) 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, 28518111 + 28518112.

It is an arithmetic number, because the mean of its divisors is an integer number (28518112).

Almost surely, 2^57036223 is an apocalyptic number.

57036223 is a deficient number, since it is larger than the sum of its proper divisors (1).

57036223 is an equidigital number, since it uses as much as digits as its factorization.

57036223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 57036223 is about 7552.2329810461. The cubic root of 57036223 is about 384.9316188217.

Adding to 57036223 its reverse (32263075), we get a palindrome (89299298).

The spelling of 57036223 in words is "fifty-seven million, thirty-six thousand, two hundred twenty-three".