85555508 has 24 divisors (see below), whose sum is σ = 151919040. Its totient is φ = 42154560.

The previous prime is 85555501. The next prime is 85555523. The reversal of 85555508 is 80555558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85555501) 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 7 ways as a sum of consecutive naturals, for example, 115403 + ... + 116141.

It is an arithmetic number, because the mean of its divisors is an integer number (6329960).

Almost surely, 2^85555508 is an apocalyptic number.

It is an amenable number.

85555508 is a deficient number, since it is larger than the sum of its proper divisors (66363532).

85555508 is a wasteful number, since it uses less digits than its factorization.

85555508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 41.

The square root of 85555508 is about 9249.6220463325. The cubic root of 85555508 is about 440.6387211193.

It can be divided in two parts, 8555550 and 8, that added together give a palindrome (8555558).

The spelling of 85555508 in words is "eighty-five million, five hundred fifty-five thousand, five hundred eight".