53255249 has 2 divisors, whose sum is σ = 53255250. Its totient is φ = 53255248.

The previous prime is 53255239. The next prime is 53255261. The reversal of 53255249 is 94255235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50908225 + 2347024 = 7135^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 53255249 - 2¹² = 53251153 is a prime.

It is a super-2 number, since 2×53255249² = 5672243092104002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53255219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627624 + 26627625.

It is an arithmetic number, because the mean of its divisors is an integer number (26627625).

Almost surely, 2^53255249 is an apocalyptic number.

It is an amenable number.

53255249 is a deficient number, since it is larger than the sum of its proper divisors (1).

53255249 is an equidigital number, since it uses as much as digits as its factorization.

53255249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 35.

The square root of 53255249 is about 7297.6194063544. The cubic root of 53255249 is about 376.2306214012.

The spelling of 53255249 in words is "fifty-three million, two hundred fifty-five thousand, two hundred forty-nine".