83284553 has 4 divisors (see below), whose sum is σ = 90855888. Its totient is φ = 75713220.

The previous prime is 83284501. The next prime is 83284609. The reversal of 83284553 is 35548238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 83284553 - 2¹⁸ = 83022409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83284753) 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, 3785651 + ... + 3785672.

It is an arithmetic number, because the mean of its divisors is an integer number (22713972).

Almost surely, 2^83284553 is an apocalyptic number.

It is an amenable number.

83284553 is a deficient number, since it is larger than the sum of its proper divisors (7571335).

83284553 is a wasteful number, since it uses less digits than its factorization.

83284553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571334.

The product of its digits is 115200, while the sum is 38.

The square root of 83284553 is about 9126.0370917502. The cubic root of 83284553 is about 436.7049886406.

The spelling of 83284553 in words is "eighty-three million, two hundred eighty-four thousand, five hundred fifty-three".