86550369 has 4 divisors (see below), whose sum is σ = 115400496. Its totient is φ = 57700244.

The previous prime is 86550341. The next prime is 86550371. The reversal of 86550369 is 96305568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86550369 - 2⁵ = 86550337 is a prime.

It is a super-2 number, since 2×86550369² = 14981932748072322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86550369.

It is not an unprimeable number, because it can be changed into a prime (86550329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14425059 + ... + 14425064.

It is an arithmetic number, because the mean of its divisors is an integer number (28850124).

Almost surely, 2^86550369 is an apocalyptic number.

It is an amenable number.

86550369 is a deficient number, since it is larger than the sum of its proper divisors (28850127).

86550369 is a wasteful number, since it uses less digits than its factorization.

86550369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28850126.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 86550369 is about 9303.2450790033. The cubic root of 86550369 is about 442.3400960744.

The spelling of 86550369 in words is "eighty-six million, five hundred fifty thousand, three hundred sixty-nine".