83506455 has 24 divisors (see below), whose sum is σ = 146910192. Its totient is φ = 43870464.

The previous prime is 83506441. The next prime is 83506459. The reversal of 83506455 is 55460538.

83506455 is a `hidden beast` number, since 8 + 3 + 5 + 0 + 645 + 5 = 666.

It is not a de Polignac number, because 83506455 - 2⁴ = 83506439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83506459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10834 + ... + 16863.

It is an arithmetic number, because the mean of its divisors is an integer number (6121258).

Almost surely, 2^83506455 is an apocalyptic number.

83506455 is a deficient number, since it is larger than the sum of its proper divisors (63403737).

83506455 is a wasteful number, since it uses less digits than its factorization.

83506455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775 (or 27772 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 83506455 is about 9138.1866363081. The cubic root of 83506455 is about 437.0924945642.

The spelling of 83506455 in words is "eighty-three million, five hundred six thousand, four hundred fifty-five".