83850055 has 4 divisors (see below), whose sum is σ = 100620072. Its totient is φ = 67080040.

The previous prime is 83850037. The next prime is 83850061. The reversal of 83850055 is 55005838.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83850055 - 2⁵ = 83850023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83850055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8385001 + ... + 8385010.

It is an arithmetic number, because the mean of its divisors is an integer number (25155018).

Almost surely, 2^83850055 is an apocalyptic number.

83850055 is a deficient number, since it is larger than the sum of its proper divisors (16770017).

83850055 is a wasteful number, since it uses less digits than its factorization.

83850055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16770016.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 83850055 is about 9156.9675657392. The cubic root of 83850055 is about 437.6911687002.

The spelling of 83850055 in words is "eighty-three million, eight hundred fifty thousand, fifty-five".