855533043 has 16 divisors (see below), whose sum is σ = 1279088800. Its totient is φ = 565120800.

The previous prime is 855532967. The next prime is 855533069. The reversal of 855533043 is 340335558.

855533043 is a `hidden beast` number, since 85 + 5 + 533 + 0 + 43 = 666.

It is not a de Polignac number, because 855533043 - 2⁸ = 855532787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855532989 and 855533007.

It is not an unprimeable number, because it can be changed into a prime (855533743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142408 + ... + 148293.

It is an arithmetic number, because the mean of its divisors is an integer number (79943050).

Almost surely, 2^855533043 is an apocalyptic number.

855533043 is a deficient number, since it is larger than the sum of its proper divisors (423555757).

855533043 is a wasteful number, since it uses less digits than its factorization.

855533043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290819 (or 290813 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 855533043 is about 29249.4964572042. The cubic root of 855533043 is about 949.3191956994.

The spelling of 855533043 in words is "eight hundred fifty-five million, five hundred thirty-three thousand, forty-three".