8557044 has 24 divisors (see below), whose sum is σ = 20015520. Its totient is φ = 2845344.

The previous prime is 8557033. The next prime is 8557057. The reversal of 8557044 is 4407558.

It is a junction number, because it is equal to n+sod(n) for n = 8556996 and 8557014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7162 + ... + 8270.

It is an arithmetic number, because the mean of its divisors is an integer number (833980).

Almost surely, 2^8557044 is an apocalyptic number.

It is an amenable number.

8557044 is an abundant number, since it is smaller than the sum of its proper divisors (11458476).

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

8557044 is a wasteful number, since it uses less digits than its factorization.

8557044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 8557044 is about 2925.2425540457. The cubic root of 8557044 is about 204.5382747289.

The spelling of 8557044 in words is "eight million, five hundred fifty-seven thousand, forty-four".