556565450 has 48 divisors (see below), whose sum is σ = 1199816064. Its totient is φ = 188126400.

The previous prime is 556565417. The next prime is 556565453. The reversal of 556565450 is 54565655.

It is a junction number, because it is equal to n+sod(n) for n = 556565398 and 556565407.

It is not an unprimeable number, because it can be changed into a prime (556565453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13652 + ... + 36048.

It is an arithmetic number, because the mean of its divisors is an integer number (24996168).

Almost surely, 2^556565450 is an apocalyptic number.

556565450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556565450 is an abundant number, since it is smaller than the sum of its proper divisors (643250614).

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

556565450 is a wasteful number, since it uses less digits than its factorization.

556565450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22487 (or 22482 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The square root of 556565450 is about 23591.6394089093. The cubic root of 556565450 is about 822.5685126916.

The spelling of 556565450 in words is "five hundred fifty-six million, five hundred sixty-five thousand, four hundred fifty".