85558611 has 4 divisors (see below), whose sum is σ = 114078152. Its totient is φ = 57039072.

The previous prime is 85558573. The next prime is 85558651. The reversal of 85558611 is 11685558.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85558611 - 2¹⁰ = 85557587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85558611.

It is not an unprimeable number, because it can be changed into a prime (85558651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14259766 + ... + 14259771.

It is an arithmetic number, because the mean of its divisors is an integer number (28519538).

Almost surely, 2^85558611 is an apocalyptic number.

85558611 is a deficient number, since it is larger than the sum of its proper divisors (28519541).

85558611 is a wasteful number, since it uses less digits than its factorization.

85558611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28519540.

The product of its digits is 48000, while the sum is 39.

The square root of 85558611 is about 9249.7897813950. The cubic root of 85558611 is about 440.6440482083.

The spelling of 85558611 in words is "eighty-five million, five hundred fifty-eight thousand, six hundred eleven".