8100056 has 8 divisors (see below), whose sum is σ = 15187620. Its totient is φ = 4050024.

The previous prime is 8099999. The next prime is 8100073. The reversal of 8100056 is 6500018.

8100056 = 704² + 705² + ... + 719².

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×8100056² = 131221814406272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 506246 + ... + 506261.

Almost surely, 2^8100056 is an apocalyptic number.

It is an amenable number.

8100056 is a deficient number, since it is larger than the sum of its proper divisors (7087564).

8100056 is a wasteful number, since it uses less digits than its factorization.

8100056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012513 (or 1012509 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 8100056 is about 2846.0597323317. The cubic root of 8100056 is about 200.8303478414.

The spelling of 8100056 in words is "eight million, one hundred thousand, fifty-six".