53459569 has 2 divisors, whose sum is σ = 53459570. Its totient is φ = 53459568.

The previous prime is 53459519. The next prime is 53459573. The reversal of 53459569 is 96595435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 7491169 = 6780^2 + 2737^2 .

It is a cyclic number.

It is not a de Polignac number, because 53459569 - 2²¹ = 51362417 is a prime.

It is a super-2 number, since 2×53459569² = 5715851035331522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53459519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26729784 + 26729785.

It is an arithmetic number, because the mean of its divisors is an integer number (26729785).

Almost surely, 2^53459569 is an apocalyptic number.

It is an amenable number.

53459569 is a deficient number, since it is larger than the sum of its proper divisors (1).

53459569 is an equidigital number, since it uses as much as digits as its factorization.

53459569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 729000, while the sum is 46.

The square root of 53459569 is about 7311.6050905393. The cubic root of 53459569 is about 376.7111583264.

The spelling of 53459569 in words is "fifty-three million, four hundred fifty-nine thousand, five hundred sixty-nine".