85355500 has 24 divisors (see below), whose sum is σ = 186417504. Its totient is φ = 34142000.

The previous prime is 85355489. The next prime is 85355503. The reversal of 85355500 is 555358.

It is a super-2 number, since 2×85355500² = 14571122760500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85355503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84856 + ... + 85855.

It is an arithmetic number, because the mean of its divisors is an integer number (7767396).

Almost surely, 2^85355500 is an apocalyptic number.

It is an amenable number.

85355500 is an abundant number, since it is smaller than the sum of its proper divisors (101062004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85355500 is a wasteful number, since it uses less digits than its factorization.

85355500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170730 (or 170718 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 85355500 is about 9238.8040351552. The cubic root of 85355500 is about 440.2950844276.

The spelling of 85355500 in words is "eighty-five million, three hundred fifty-five thousand, five hundred".