57055253 has 2 divisors, whose sum is σ = 57055254. Its totient is φ = 57055252.

The previous prime is 57055241. The next prime is 57055259. The reversal of 57055253 is 35255075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56896849 + 158404 = 7543^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 57055253 - 2⁴ = 57055237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57055259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28527626 + 28527627.

It is an arithmetic number, because the mean of its divisors is an integer number (28527627).

Almost surely, 2^57055253 is an apocalyptic number.

It is an amenable number.

57055253 is a deficient number, since it is larger than the sum of its proper divisors (1).

57055253 is an equidigital number, since it uses as much as digits as its factorization.

57055253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 57055253 is about 7553.4927682497. The cubic root of 57055253 is about 384.9744245674.

The spelling of 57055253 in words is "fifty-seven million, fifty-five thousand, two hundred fifty-three".