82055938 has 4 divisors (see below), whose sum is σ = 123083910. Its totient is φ = 41027968.

The previous prime is 82055929. The next prime is 82055959. The reversal of 82055938 is 83955028.

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

It can be written as a sum of positive squares in only one way, i.e., 70174129 + 11881809 = 8377^2 + 3447^2 .

It is a super-2 number, since 2×82055938² = 13466353922119688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 82055938.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20513983 + ... + 20513986.

Almost surely, 2^82055938 is an apocalyptic number.

82055938 is a deficient number, since it is larger than the sum of its proper divisors (41027972).

82055938 is a wasteful number, since it uses less digits than its factorization.

82055938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41027971.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 82055938 is about 9058.4732709215. The cubic root of 82055938 is about 434.5469153921.

The spelling of 82055938 in words is "eighty-two million, fifty-five thousand, nine hundred thirty-eight".