83554449 has 16 divisors (see below), whose sum is σ = 121995264. Its totient is φ = 50446800.

The previous prime is 83554417. The next prime is 83554453. The reversal of 83554449 is 94445538.

It is not a de Polignac number, because 83554449 - 2⁵ = 83554417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83554449.

It is not an unprimeable number, because it can be changed into a prime (83554409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4272 + ... + 13614.

It is an arithmetic number, because the mean of its divisors is an integer number (7624704).

Almost surely, 2^83554449 is an apocalyptic number.

It is an amenable number.

83554449 is a deficient number, since it is larger than the sum of its proper divisors (38440815).

83554449 is a wasteful number, since it uses less digits than its factorization.

83554449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9628.

The product of its digits is 345600, while the sum is 42.

The square root of 83554449 is about 9140.8122724406. The cubic root of 83554449 is about 437.1762158349.

The spelling of 83554449 in words is "eighty-three million, five hundred fifty-four thousand, four hundred forty-nine".