82390553 has 8 divisors (see below), whose sum is σ = 94430208. Its totient is φ = 70418304.

The previous prime is 82390549. The next prime is 82390559. The reversal of 82390553 is 35509328.

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

It is a cyclic number.

It is not a de Polignac number, because 82390553 - 2² = 82390549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82390559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14201 + ... + 19142.

It is an arithmetic number, because the mean of its divisors is an integer number (11803776).

Almost surely, 2^82390553 is an apocalyptic number.

It is an amenable number.

82390553 is a deficient number, since it is larger than the sum of its proper divisors (12039655).

82390553 is a wasteful number, since it uses less digits than its factorization.

82390553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33703.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 82390553 is about 9076.9242037157. The cubic root of 82390553 is about 435.1367923162.

The spelling of 82390553 in words is "eighty-two million, three hundred ninety thousand, five hundred fifty-three".