85355556 has 48 divisors (see below), whose sum is σ = 233986368. Its totient is φ = 23875200.

The previous prime is 85355551. The next prime is 85355573. The reversal of 85355556 is 65555358.

It is not an unprimeable number, because it can be changed into a prime (85355551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23155 + ... + 26586.

It is an arithmetic number, because the mean of its divisors is an integer number (4874716).

Almost surely, 2^85355556 is an apocalyptic number.

It is an amenable number.

85355556 is an abundant number, since it is smaller than the sum of its proper divisors (148630812).

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

85355556 is a wasteful number, since it uses less digits than its factorization.

85355556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49772 (or 49770 counting only the distinct ones).

The product of its digits is 450000, while the sum is 42.

The square root of 85355556 is about 9238.8070658500. The cubic root of 85355556 is about 440.2951807171.

The spelling of 85355556 in words is "eighty-five million, three hundred fifty-five thousand, five hundred fifty-six".