552621568 has 20 divisors (see below), whose sum is σ = 1104164820. Its totient is φ = 276310528.

The previous prime is 552621539. The next prime is 552621571. The reversal of 552621568 is 865126255.

It is a self number, because there is not a number n which added to its sum of digits gives 552621568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539158 + ... + 540181.

It is an arithmetic number, because the mean of its divisors is an integer number (55208241).

Almost surely, 2^552621568 is an apocalyptic number.

It is an amenable number.

552621568 is a deficient number, since it is larger than the sum of its proper divisors (551543252).

552621568 is an equidigital number, since it uses as much as digits as its factorization.

552621568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079357 (or 1079341 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The square root of 552621568 is about 23507.9043727849. The cubic root of 552621568 is about 820.6209692532.

The spelling of 552621568 in words is "five hundred fifty-two million, six hundred twenty-one thousand, five hundred sixty-eight".