53660567 has 2 divisors, whose sum is σ = 53660568. Its totient is φ = 53660566.

The previous prime is 53660507. The next prime is 53660569. The reversal of 53660567 is 76506635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53660567 - 2¹⁴ = 53644183 is a prime.

It is a super-2 number, since 2×53660567² = 5758912901522978, which contains 22 as substring.

Together with 53660569, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53660567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53660569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26830283 + 26830284.

It is an arithmetic number, because the mean of its divisors is an integer number (26830284).

Almost surely, 2^53660567 is an apocalyptic number.

53660567 is a deficient number, since it is larger than the sum of its proper divisors (1).

53660567 is an equidigital number, since it uses as much as digits as its factorization.

53660567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 53660567 is about 7325.3373301166. The cubic root of 53660567 is about 377.1826890746.

The spelling of 53660567 in words is "fifty-three million, six hundred sixty thousand, five hundred sixty-seven".