53859469 has 2 divisors, whose sum is σ = 53859470. Its totient is φ = 53859468.

The previous prime is 53859461. The next prime is 53859479. The reversal of 53859469 is 96495835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53846244 + 13225 = 7338^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 53859469 - 2³ = 53859461 is a prime.

It is a super-2 number, since 2×53859469² = 5801684801923922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53859461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26929734 + 26929735.

It is an arithmetic number, because the mean of its divisors is an integer number (26929735).

Almost surely, 2^53859469 is an apocalyptic number.

It is an amenable number.

53859469 is a deficient number, since it is larger than the sum of its proper divisors (1).

53859469 is an equidigital number, since it uses as much as digits as its factorization.

53859469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 49.

The square root of 53859469 is about 7338.9010757742. The cubic root of 53859469 is about 377.6481450038.

The spelling of 53859469 in words is "fifty-three million, eight hundred fifty-nine thousand, four hundred sixty-nine".