82555156 has 6 divisors (see below), whose sum is σ = 144471530. Its totient is φ = 41277576.

The previous prime is 82555127. The next prime is 82555157. The reversal of 82555156 is 65155528.

It can be written as a sum of positive squares in only one way, i.e., 82519056 + 36100 = 9084^2 + 190^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82555157) by changing a digit.

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 as a sum of consecutive naturals, namely, 10319391 + ... + 10319398.

Almost surely, 2^82555156 is an apocalyptic number.

It is an amenable number.

82555156 is a deficient number, since it is larger than the sum of its proper divisors (61916374).

82555156 is a wasteful number, since it uses less digits than its factorization.

82555156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20638793 (or 20638791 counting only the distinct ones).

The product of its digits is 60000, while the sum is 37.

The square root of 82555156 is about 9085.9867928586. The cubic root of 82555156 is about 435.4263771995.

The spelling of 82555156 in words is "eighty-two million, five hundred fifty-five thousand, one hundred fifty-six".