563464660550 has 96 divisors (see below), whose sum is σ = 1158327112320. Its totient is φ = 202212262400.

The previous prime is 563464660529. The next prime is 563464660567. The reversal of 563464660550 is 55066464365.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46511294 + ... + 46523406.

It is an arithmetic number, because the mean of its divisors is an integer number (12065907420).

Almost surely, 2^563464660550 is an apocalyptic number.

563464660550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

563464660550 is an abundant number, since it is smaller than the sum of its proper divisors (594862451770).

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

563464660550 is a wasteful number, since it uses less digits than its factorization.

563464660550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13238 (or 13233 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 563464660550 in words is "five hundred sixty-three billion, four hundred sixty-four million, six hundred sixty thousand, five hundred fifty".