86564053 has 4 divisors (see below), whose sum is σ = 88903660. Its totient is φ = 84224448.

The previous prime is 86564047. The next prime is 86564069. The reversal of 86564053 is 35046568.

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 47651409 + 38912644 = 6903^2 + 6238^2 .

It is a cyclic number.

It is not a de Polignac number, because 86564053 - 2⁵ = 86564021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 2339569 = 86564053 / (8 + 6 + 5 + 6 + 4 + 0 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86564453) 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, 1169748 + ... + 1169821.

It is an arithmetic number, because the mean of its divisors is an integer number (22225915).

Almost surely, 2^86564053 is an apocalyptic number.

It is an amenable number.

86564053 is a deficient number, since it is larger than the sum of its proper divisors (2339607).

86564053 is a wasteful number, since it uses less digits than its factorization.

86564053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339606.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 86564053 is about 9303.9804922409. The cubic root of 86564053 is about 442.3634068277.

The spelling of 86564053 in words is "eighty-six million, five hundred sixty-four thousand, fifty-three".