53254561 has 2 divisors, whose sum is σ = 53254562. Its totient is φ = 53254560.

The previous prime is 53254547. The next prime is 53254567. The reversal of 53254561 is 16545235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38192400 + 15062161 = 6180^2 + 3881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53254561 is a prime.

It is not a weakly prime, because it can be changed into another prime (53254567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627280 + 26627281.

It is an arithmetic number, because the mean of its divisors is an integer number (26627281).

Almost surely, 2^53254561 is an apocalyptic number.

It is an amenable number.

53254561 is a deficient number, since it is larger than the sum of its proper divisors (1).

53254561 is an equidigital number, since it uses as much as digits as its factorization.

53254561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 31.

The square root of 53254561 is about 7297.5722675421. The cubic root of 53254561 is about 376.2290012305.

Adding to 53254561 its reverse (16545235), we get a palindrome (69799796).

The spelling of 53254561 in words is "fifty-three million, two hundred fifty-four thousand, five hundred sixty-one".