563309376 has 112 divisors (see below), whose sum is σ = 1777496064. Its totient is φ = 153939456.

The previous prime is 563309363. The next prime is 563309393. The reversal of 563309376 is 673903365.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21801 + ... + 40023.

Almost surely, 2^563309376 is an apocalyptic number.

563309376 is a gapful number since it is divisible by the number (56) 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 563309376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888748032).

563309376 is an abundant number, since it is smaller than the sum of its proper divisors (1214186688).

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

563309376 is a wasteful number, since it uses less digits than its factorization.

563309376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18268 (or 18258 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 42.

The square root of 563309376 is about 23734.1394619649. The cubic root of 563309376 is about 825.8775485023.

The spelling of 563309376 in words is "five hundred sixty-three million, three hundred nine thousand, three hundred seventy-six".