53692489 has 2 divisors, whose sum is σ = 53692490. Its totient is φ = 53692488.

The previous prime is 53692487. The next prime is 53692501. The reversal of 53692489 is 98429635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53655625 + 36864 = 7325^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 53692489 - 2¹ = 53692487 is a prime.

Together with 53692487, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53692487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26846244 + 26846245.

It is an arithmetic number, because the mean of its divisors is an integer number (26846245).

Almost surely, 2^53692489 is an apocalyptic number.

It is an amenable number.

53692489 is a deficient number, since it is larger than the sum of its proper divisors (1).

53692489 is an equidigital number, since it uses as much as digits as its factorization.

53692489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The square root of 53692489 is about 7327.5158819343. The cubic root of 53692489 is about 377.2574680025.

It can be divided in two parts, 536 and 92489, that added together give a square (93025 = 305²).

The spelling of 53692489 in words is "fifty-three million, six hundred ninety-two thousand, four hundred eighty-nine".