83055985 has 8 divisors (see below), whose sum is σ = 99795240. Its totient is φ = 66359424.

The previous prime is 83055979. The next prime is 83055997. The reversal of 83055985 is 58955038.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29062881 + 53993104 = 5391^2 + 7348^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 83055985 - 2⁷ = 83055857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6222 + ... + 14311.

It is an arithmetic number, because the mean of its divisors is an integer number (12474405).

Almost surely, 2^83055985 is an apocalyptic number.

It is an amenable number.

83055985 is a deficient number, since it is larger than the sum of its proper divisors (16739255).

83055985 is a wasteful number, since it uses less digits than its factorization.

83055985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21347.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 83055985 is about 9113.5056372397. The cubic root of 83055985 is about 436.3051216190.

The spelling of 83055985 in words is "eighty-three million, fifty-five thousand, nine hundred eighty-five".