85299555 has 24 divisors (see below), whose sum is σ = 150017616. Its totient is φ = 41356480.

The previous prime is 85299547. The next prime is 85299583. The reversal of 85299555 is 55599258.

It is not a de Polignac number, because 85299555 - 2³ = 85299547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21684 + ... + 25313.

It is an arithmetic number, because the mean of its divisors is an integer number (6250734).

Almost surely, 2^85299555 is an apocalyptic number.

85299555 is a deficient number, since it is larger than the sum of its proper divisors (64718061).

85299555 is a wasteful number, since it uses less digits than its factorization.

85299555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47027 (or 47016 counting only the distinct ones).

The product of its digits is 810000, while the sum is 48.

The square root of 85299555 is about 9235.7758201464. The cubic root of 85299555 is about 440.1988684365.

The spelling of 85299555 in words is "eighty-five million, two hundred ninety-nine thousand, five hundred fifty-five".