86555653 has 4 divisors (see below), whose sum is σ = 91647180. Its totient is φ = 81464128.

The previous prime is 86555611. The next prime is 86555663. The reversal of 86555653 is 35655568.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28536964 + 58018689 = 5342^2 + 7617^2 .

It is a cyclic number.

It is not a de Polignac number, because 86555653 - 2¹⁷ = 86424581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86555663) 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 3 ways as a sum of consecutive naturals, for example, 2545738 + ... + 2545771.

It is an arithmetic number, because the mean of its divisors is an integer number (22911795).

Almost surely, 2^86555653 is an apocalyptic number.

It is an amenable number.

86555653 is a deficient number, since it is larger than the sum of its proper divisors (5091527).

86555653 is a wasteful number, since it uses less digits than its factorization.

86555653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091526.

The product of its digits is 540000, while the sum is 43.

The square root of 86555653 is about 9303.5290615981. The cubic root of 86555653 is about 442.3490976825.

It can be divided in two parts, 8655565 and 3, that added together give a palindrome (8655568).

The spelling of 86555653 in words is "eighty-six million, five hundred fifty-five thousand, six hundred fifty-three".