53859499 has 2 divisors, whose sum is σ = 53859500. Its totient is φ = 53859498.

The previous prime is 53859479. The next prime is 53859503. The reversal of 53859499 is 99495835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53859499 - 2⁷ = 53859371 is a prime.

It is a super-3 number, since 3×53859499³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (53859419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26929749 + 26929750.

It is an arithmetic number, because the mean of its divisors is an integer number (26929750).

Almost surely, 2^53859499 is an apocalyptic number.

53859499 is a deficient number, since it is larger than the sum of its proper divisors (1).

53859499 is an equidigital number, since it uses as much as digits as its factorization.

53859499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 52.

The square root of 53859499 is about 7338.9031196767. The cubic root of 53859499 is about 377.6482151211.

It can be divided in two parts, 5385 and 9499, that added together give a square (14884 = 122²).

The spelling of 53859499 in words is "fifty-three million, eight hundred fifty-nine thousand, four hundred ninety-nine".