85558493 has 4 divisors (see below), whose sum is σ = 85577280. Its totient is φ = 85539708.

The previous prime is 85558489. The next prime is 85558507. The reversal of 85558493 is 39485558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85558493 - 2² = 85558489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85558453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246 + ... + 13272.

It is an arithmetic number, because the mean of its divisors is an integer number (21394320).

Almost surely, 2^85558493 is an apocalyptic number.

It is an amenable number.

85558493 is a deficient number, since it is larger than the sum of its proper divisors (18787).

85558493 is a wasteful number, since it uses less digits than its factorization.

85558493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18786.

The product of its digits is 864000, while the sum is 47.

The square root of 85558493 is about 9249.7834028695. The cubic root of 85558493 is about 440.6438456336.

The spelling of 85558493 in words is "eighty-five million, five hundred fifty-eight thousand, four hundred ninety-three".