53273149 has 2 divisors, whose sum is σ = 53273150. Its totient is φ = 53273148.

The previous prime is 53273141. The next prime is 53273153. The reversal of 53273149 is 94137235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52562500 + 710649 = 7250^2 + 843^2 .

It is a cyclic number.

It is not a de Polignac number, because 53273149 - 2³ = 53273141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53273141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26636574 + 26636575.

It is an arithmetic number, because the mean of its divisors is an integer number (26636575).

Almost surely, 2^53273149 is an apocalyptic number.

It is an amenable number.

53273149 is a deficient number, since it is larger than the sum of its proper divisors (1).

53273149 is an equidigital number, since it uses as much as digits as its factorization.

53273149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 53273149 is about 7298.8457306618. The cubic root of 53273149 is about 376.2727691949.

The spelling of 53273149 in words is "fifty-three million, two hundred seventy-three thousand, one hundred forty-nine".