86553111 has 16 divisors (see below), whose sum is σ = 117596160. Its totient is φ = 56615520.

The previous prime is 86553097. The next prime is 86553119. The reversal of 86553111 is 11135568.

It is a de Polignac number, because none of the positive numbers 2^k-86553111 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86553119) 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, 39946 + ... + 42056.

It is an arithmetic number, because the mean of its divisors is an integer number (7349760).

Almost surely, 2^86553111 is an apocalyptic number.

86553111 is a deficient number, since it is larger than the sum of its proper divisors (31043049).

86553111 is a wasteful number, since it uses less digits than its factorization.

86553111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366.

The product of its digits is 3600, while the sum is 30.

The square root of 86553111 is about 9303.3924457694. The cubic root of 86553111 is about 442.3447672801.

Adding to 86553111 its reverse (11135568), we get a palindrome (97688679).

The spelling of 86553111 in words is "eighty-six million, five hundred fifty-three thousand, one hundred eleven".