85995055 has 32 divisors (see below), whose sum is σ = 109992960. Its totient is φ = 64471680.

The previous prime is 85995053. The next prime is 85995071. The reversal of 85995055 is 55059958.

It is a happy number.

85995055 is a nontrivial binomial coefficient, being equal to C(13115, 2).

It is not a de Polignac number, because 85995055 - 2¹ = 85995053 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 85994996 and 85995014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85995053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1036044 + ... + 1036126.

It is an arithmetic number, because the mean of its divisors is an integer number (3437280).

Almost surely, 2^85995055 is an apocalyptic number.

85995055 is the 13114-th triangular number.

85995055 is the 4372-nd centered nonagonal number.

85995055 is a deficient number, since it is larger than the sum of its proper divisors (23997905).

85995055 is a wasteful number, since it uses less digits than its factorization.

85995055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 405000, while the sum is 46.

The square root of 85995055 is about 9273.3518751312. The cubic root of 85995055 is about 441.3920359059.

The spelling of 85995055 in words is "eighty-five million, nine hundred ninety-five thousand, fifty-five".