85056543 has 24 divisors (see below), whose sum is σ = 144340560. Its totient is φ = 47583360.

The previous prime is 85056533. The next prime is 85056563. The reversal of 85056543 is 34565058.

85056543 is a `hidden beast` number, since 8 + 50 + 565 + 43 = 666.

It is not a de Polignac number, because 85056543 - 2⁴ = 85056527 is a prime.

It is a super-2 number, since 2×85056543² = 14469231014221698, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 85056498 and 85056507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85056533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31758 + ... + 34331.

It is an arithmetic number, because the mean of its divisors is an integer number (6014190).

Almost surely, 2^85056543 is an apocalyptic number.

85056543 is a deficient number, since it is larger than the sum of its proper divisors (59284017).

85056543 is a wasteful number, since it uses less digits than its factorization.

85056543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66119 (or 66116 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 85056543 is about 9222.6104222178. The cubic root of 85056543 is about 439.7804396999.

The spelling of 85056543 in words is "eighty-five million, fifty-six thousand, five hundred forty-three".