82545549 has 8 divisors (see below), whose sum is σ = 110103840. Its totient is φ = 55008816.

The previous prime is 82545503. The next prime is 82545559. The reversal of 82545549 is 94554528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82545549 - 2⁸ = 82545293 is a prime.

It is a super-2 number, since 2×82545549² = 13627535319422802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82545549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82545559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9162 + ... + 15780.

It is an arithmetic number, because the mean of its divisors is an integer number (13762980).

Almost surely, 2^82545549 is an apocalyptic number.

It is an amenable number.

82545549 is a deficient number, since it is larger than the sum of its proper divisors (27558291).

82545549 is a wasteful number, since it uses less digits than its factorization.

82545549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10779.

The product of its digits is 288000, while the sum is 42.

The square root of 82545549 is about 9085.4581062267. The cubic root of 82545549 is about 435.4094862558.

The spelling of 82545549 in words is "eighty-two million, five hundred forty-five thousand, five hundred forty-nine".