83545454 has 16 divisors (see below), whose sum is σ = 129064320. Its totient is φ = 40535040.

The previous prime is 83545447. The next prime is 83545459. The reversal of 83545454 is 45454538.

It is a super-2 number, since 2×83545454² = 13959685768132232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83545459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13187 + ... + 18465.

It is an arithmetic number, because the mean of its divisors is an integer number (8066520).

Almost surely, 2^83545454 is an apocalyptic number.

83545454 is a deficient number, since it is larger than the sum of its proper divisors (45518866).

83545454 is a wasteful number, since it uses less digits than its factorization.

83545454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515.

The product of its digits is 192000, while the sum is 38.

The square root of 83545454 is about 9140.3202350902. The cubic root of 83545454 is about 437.1605272980.

The spelling of 83545454 in words is "eighty-three million, five hundred forty-five thousand, four hundred fifty-four".