564243226335550 has 24 divisors (see below), whose sum is σ = 1049519543584032. Its totient is φ = 225691453416000.

The previous prime is 564243226335541. The next prime is 564243226335571. The reversal of 564243226335550 is 55533622342465.

It is a junction number, because it is equal to n+sod(n) for n = 564243226335491 and 564243226335500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143975071 + ... + 147842170.

It is an arithmetic number, because the mean of its divisors is an integer number (43729980982668).

Almost surely, 2^{564243226335550} is an apocalyptic number.

564243226335550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

564243226335550 is a deficient number, since it is larger than the sum of its proper divisors (485276317248482).

564243226335550 is a wasteful number, since it uses less digits than its factorization.

564243226335550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291855924 (or 291855919 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 55.

The spelling of 564243226335550 in words is "five hundred sixty-four trillion, two hundred forty-three billion, two hundred twenty-six million, three hundred thirty-five thousand, five hundred fifty".