85355503 has 2 divisors, whose sum is σ = 85355504. Its totient is φ = 85355502.

The previous prime is 85355489. The next prime is 85355513. The reversal of 85355503 is 30555358.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85355503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85355513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42677751 + 42677752.

It is an arithmetic number, because the mean of its divisors is an integer number (42677752).

Almost surely, 2^85355503 is an apocalyptic number.

85355503 is a deficient number, since it is larger than the sum of its proper divisors (1).

85355503 is an equidigital number, since it uses as much as digits as its factorization.

85355503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 85355503 is about 9238.8041975139. The cubic root of 85355503 is about 440.2950895860.

It can be divided in two parts, 85355 and 503, that added together give a palindrome (85858).

The spelling of 85355503 in words is "eighty-five million, three hundred fifty-five thousand, five hundred three".