53842249 has 2 divisors, whose sum is σ = 53842250. Its totient is φ = 53842248.

The previous prime is 53842207. The next prime is 53842253. The reversal of 53842249 is 94224835.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53655625 + 186624 = 7325^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 53842249 - 2⁷ = 53842121 is a prime.

It is not a weakly prime, because it can be changed into another prime (53842259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26921124 + 26921125.

It is an arithmetic number, because the mean of its divisors is an integer number (26921125).

Almost surely, 2^53842249 is an apocalyptic number.

It is an amenable number.

53842249 is a deficient number, since it is larger than the sum of its proper divisors (1).

53842249 is an equidigital number, since it uses as much as digits as its factorization.

53842249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 53842249 is about 7337.7277818137. The cubic root of 53842249 is about 377.6078933739.

The spelling of 53842249 in words is "fifty-three million, eight hundred forty-two thousand, two hundred forty-nine".