83133555 has 8 divisors (see below), whose sum is σ = 133013712. Its totient is φ = 44337888.

The previous prime is 83133539. The next prime is 83133563. The reversal of 83133555 is 55533138.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83133555 - 2⁴ = 83133539 is a prime.

It is a super-2 number, since 2×83133555² = 13822375933876050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2771104 + ... + 2771133.

It is an arithmetic number, because the mean of its divisors is an integer number (16626714).

Almost surely, 2^83133555 is an apocalyptic number.

83133555 is a deficient number, since it is larger than the sum of its proper divisors (49880157).

83133555 is a wasteful number, since it uses less digits than its factorization.

83133555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542245.

The product of its digits is 27000, while the sum is 33.

The square root of 83133555 is about 9117.7604158039. The cubic root of 83133555 is about 436.4409081711.

The spelling of 83133555 in words is "eighty-three million, one hundred thirty-three thousand, five hundred fifty-five".