553736868 has 48 divisors (see below), whose sum is σ = 1352695680. Its totient is φ = 175969024.

The previous prime is 553736867. The next prime is 553736899. The reversal of 553736868 is 868637355.

It is a self number, because there is not a number n which added to its sum of digits gives 553736868.

It is not an unprimeable number, because it can be changed into a prime (553736861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84328 + ... + 90656.

It is an arithmetic number, because the mean of its divisors is an integer number (28181160).

Almost surely, 2^553736868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553736868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676347840).

553736868 is an abundant number, since it is smaller than the sum of its proper divisors (798958812).

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

553736868 is a wasteful number, since it uses less digits than its factorization.

553736868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676 (or 6674 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The square root of 553736868 is about 23531.6142242728. The cubic root of 553736868 is about 821.1726569411.

The spelling of 553736868 in words is "five hundred fifty-three million, seven hundred thirty-six thousand, eight hundred sixty-eight".