53000449 has 2 divisors, whose sum is σ = 53000450. Its totient is φ = 53000448.

The previous prime is 53000393. The next prime is 53000461. The reversal of 53000449 is 94400035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52664049 + 336400 = 7257^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 53000449 - 2⁹ = 52999937 is a prime.

It is not a weakly prime, because it can be changed into another prime (53004449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26500224 + 26500225.

It is an arithmetic number, because the mean of its divisors is an integer number (26500225).

Almost surely, 2^53000449 is an apocalyptic number.

It is an amenable number.

53000449 is a deficient number, since it is larger than the sum of its proper divisors (1).

53000449 is an equidigital number, since it uses as much as digits as its factorization.

53000449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 53000449 is about 7280.1407266618. The cubic root of 53000449 is about 375.6296361564.

The spelling of 53000449 in words is "fifty-three million, four hundred forty-nine", and thus it is an aban number.