85522558 has 24 divisors (see below), whose sum is σ = 142443000. Its totient is φ = 38478000.

The previous prime is 85522517. The next prime is 85522561.

It is a happy number.

85522558 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 85522558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22693 + ... + 26191.

It is an arithmetic number, because the mean of its divisors is an integer number (5935125).

Almost surely, 2^85522558 is an apocalyptic number.

85522558 is a deficient number, since it is larger than the sum of its proper divisors (56920442).

85522558 is a wasteful number, since it uses less digits than its factorization.

85522558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624 (or 3613 counting only the distinct ones).

The product of its digits is 160000, while the sum is 40.

The square root of 85522558 is about 9247.8407209467. The cubic root of 85522558 is about 440.5821461131.

The spelling of 85522558 in words is "eighty-five million, five hundred twenty-two thousand, five hundred fifty-eight".