552221656 has 32 divisors (see below), whose sum is σ = 1186467840. Its totient is φ = 236039328.

The previous prime is 552221639. The next prime is 552221671. The reversal of 552221656 is 656122255.

552221656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8575 + ... + 34321.

It is an arithmetic number, because the mean of its divisors is an integer number (37077120).

Almost surely, 2^552221656 is an apocalyptic number.

552221656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

552221656 is an abundant number, since it is smaller than the sum of its proper divisors (634246184).

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

552221656 is a wasteful number, since it uses less digits than its factorization.

552221656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26143 (or 26139 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 552221656 is about 23499.3969284320. The cubic root of 552221656 is about 820.4229703652.

The spelling of 552221656 in words is "five hundred fifty-two million, two hundred twenty-one thousand, six hundred fifty-six".