82554642 has 24 divisors (see below), whose sum is σ = 180074700. Its totient is φ = 27332640.

The previous prime is 82554631. The next prime is 82554671. The reversal of 82554642 is 24645528.

It is a happy number.

82554642 is a `hidden beast` number, since 8 + 2 + 5 + 5 + 4 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 71723961 + 10830681 = 8469^2 + 3291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82554597 and 82554606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12709 + ... + 18072.

Almost surely, 2^82554642 is an apocalyptic number.

82554642 is an abundant number, since it is smaller than the sum of its proper divisors (97520058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82554642 is a wasteful number, since it uses less digits than its factorization.

82554642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30938 (or 30935 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 82554642 is about 9085.9585074994. The cubic root of 82554642 is about 435.4254735224.

The spelling of 82554642 in words is "eighty-two million, five hundred fifty-four thousand, six hundred forty-two".