5557866 has 16 divisors (see below), whose sum is σ = 11474688. Its totient is φ = 1792800.

The previous prime is 5557847. The next prime is 5557873. The reversal of 5557866 is 6687555.

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, 14755 + ... + 15126.

It is an arithmetic number, because the mean of its divisors is an integer number (717168).

Almost surely, 2^5557866 is an apocalyptic number.

5557866 is an abundant number, since it is smaller than the sum of its proper divisors (5916822).

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

5557866 is a wasteful number, since it uses less digits than its factorization.

5557866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29917.

The product of its digits is 252000, while the sum is 42.

The square root of 5557866 is about 2357.5126722883. The cubic root of 5557866 is about 177.1343102635.

The spelling of 5557866 in words is "five million, five hundred fifty-seven thousand, eight hundred sixty-six".