556869000 has 256 divisors, whose sum is σ = 1880236800. Its totient is φ = 136704000.

The previous prime is 556868999. The next prime is 556869023. The reversal of 556869000 is 968655.

It is a super-2 number, since 2×556869000² = 620206166322000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 556869000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3110911 + ... + 3111089.

It is an arithmetic number, because the mean of its divisors is an integer number (7344675).

Almost surely, 2^556869000 is an apocalyptic number.

556869000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556869000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940118400).

556869000 is an abundant number, since it is smaller than the sum of its proper divisors (1323367800).

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

556869000 is a wasteful number, since it uses less digits than its factorization.

556869000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 556869000 is about 23598.0719551407. The cubic root of 556869000 is about 822.7180280763.

The spelling of 556869000 in words is "five hundred fifty-six million, eight hundred sixty-nine thousand".