552243621564 has 72 divisors (see below), whose sum is σ = 1433461269968. Its totient is φ = 179196779520.

The previous prime is 552243621557. The next prime is 552243621581. The reversal of 552243621564 is 465126342255.

552243621564 is a `hidden beast` number, since 5 + 5 + 2 + 24 + 3 + 62 + 1 + 564 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1083262 + ... + 1509285.

Almost surely, 2^552243621564 is an apocalyptic number.

It is an amenable number.

552243621564 is an abundant number, since it is smaller than the sum of its proper divisors (881217648404).

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

552243621564 is a wasteful number, since it uses less digits than its factorization.

552243621564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592715 (or 2592710 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 552243621564 in words is "five hundred fifty-two billion, two hundred forty-three million, six hundred twenty-one thousand, five hundred sixty-four".