85555101 has 16 divisors (see below), whose sum is σ = 126036864. Its totient is φ = 51346944.

The previous prime is 85555097. The next prime is 85555103. The reversal of 85555101 is 10155558.

It is not a de Polignac number, because 85555101 - 2² = 85555097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85555103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35296 + ... + 37641.

It is an arithmetic number, because the mean of its divisors is an integer number (7877304).

Almost surely, 2^85555101 is an apocalyptic number.

It is an amenable number.

85555101 is a deficient number, since it is larger than the sum of its proper divisors (40481763).

85555101 is a wasteful number, since it uses less digits than its factorization.

85555101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72980.

The product of its (nonzero) digits is 5000, while the sum is 30.

The square root of 85555101 is about 9249.6000454074. The cubic root of 85555101 is about 440.6380223906.

The spelling of 85555101 in words is "eighty-five million, five hundred fifty-five thousand, one hundred one".