56855529 has 12 divisors (see below), whose sum is σ = 82431232. Its totient is φ = 37762200.

The previous prime is 56855507. The next prime is 56855567. The reversal of 56855529 is 92555865.

It is not a de Polignac number, because 56855529 - 2⁷ = 56855401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56855129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9217 + ... + 14094.

Almost surely, 2^56855529 is an apocalyptic number.

It is an amenable number.

56855529 is a deficient number, since it is larger than the sum of its proper divisors (25575703).

56855529 is a wasteful number, since it uses less digits than its factorization.

56855529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23588 (or 23585 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 56855529 is about 7540.2605392652. The cubic root of 56855529 is about 384.5246937074.

The spelling of 56855529 in words is "fifty-six million, eight hundred fifty-five thousand, five hundred twenty-nine".