83939055 has 16 divisors (see below), whose sum is σ = 141371520. Its totient is φ = 42411168.

The previous prime is 83938997. The next prime is 83939057. The reversal of 83939055 is 55093938.

It is not a de Polignac number, because 83939055 - 2⁷ = 83938927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83938998 and 83939016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83939057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146977 + ... + 147546.

It is an arithmetic number, because the mean of its divisors is an integer number (8835720).

Almost surely, 2^83939055 is an apocalyptic number.

83939055 is a deficient number, since it is larger than the sum of its proper divisors (57432465).

83939055 is a wasteful number, since it uses less digits than its factorization.

83939055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294550.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 83939055 is about 9161.8259642934. The cubic root of 83939055 is about 437.8459717781.

The spelling of 83939055 in words is "eighty-three million, nine hundred thirty-nine thousand, fifty-five".