82555465 has 4 divisors (see below), whose sum is σ = 99066564. Its totient is φ = 66044368.

The previous prime is 82555433. The next prime is 82555469. The reversal of 82555465 is 56455528.

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 9418761 + 73136704 = 3069^2 + 8552^2 .

It is a cyclic number.

It is not a de Polignac number, because 82555465 - 2⁵ = 82555433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82555469) 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, 8255542 + ... + 8255551.

It is an arithmetic number, because the mean of its divisors is an integer number (24766641).

Almost surely, 2^82555465 is an apocalyptic number.

It is an amenable number.

82555465 is a deficient number, since it is larger than the sum of its proper divisors (16511099).

82555465 is a wasteful number, since it uses less digits than its factorization.

82555465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16511098.

The product of its digits is 240000, while the sum is 40.

The square root of 82555465 is about 9086.0037970496. The cubic root of 82555465 is about 435.4269204589.

The spelling of 82555465 in words is "eighty-two million, five hundred fifty-five thousand, four hundred sixty-five".