82800553 has 8 divisors (see below), whose sum is σ = 90674496. Its totient is φ = 74984400.

The previous prime is 82800533. The next prime is 82800581. The reversal of 82800553 is 35500828.

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 82800553 - 2⁵ = 82800521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82800533) 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, 11418 + ... + 17203.

It is an arithmetic number, because the mean of its divisors is an integer number (11334312).

Almost surely, 2^82800553 is an apocalyptic number.

It is an amenable number.

82800553 is a deficient number, since it is larger than the sum of its proper divisors (7873943).

82800553 is a wasteful number, since it uses less digits than its factorization.

82800553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28895.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 82800553 is about 9099.4809192613. The cubic root of 82800553 is about 435.8573885489.

The spelling of 82800553 in words is "eighty-two million, eight hundred thousand, five hundred fifty-three".