83545455 has 32 divisors (see below), whose sum is σ = 153275904. Its totient is φ = 38065536.

The previous prime is 83545447. The next prime is 83545459. The reversal of 83545455 is 55454538.

It is not a de Polignac number, because 83545455 - 2³ = 83545447 is a prime.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35289 + ... + 37581.

It is an arithmetic number, because the mean of its divisors is an integer number (4789872).

Almost surely, 2^83545455 is an apocalyptic number.

83545455 is a deficient number, since it is larger than the sum of its proper divisors (69730449).

83545455 is a wasteful number, since it uses less digits than its factorization.

83545455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655.

The product of its digits is 240000, while the sum is 39.

The square root of 83545455 is about 9140.3202897929. The cubic root of 83545455 is about 437.1605290422.

The spelling of 83545455 in words is "eighty-three million, five hundred forty-five thousand, four hundred fifty-five".