552221655 has 16 divisors (see below), whose sum is σ = 890007264. Its totient is φ = 292367360.

The previous prime is 552221639. The next prime is 552221671. The reversal of 552221655 is 556122255.

It is an interprime number because it is at equal distance from previous prime (552221639) and next prime (552221671).

It is not a de Polignac number, because 552221655 - 2⁴ = 552221639 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 132306 + ... + 136415.

It is an arithmetic number, because the mean of its divisors is an integer number (55625454).

Almost surely, 2^552221655 is an apocalyptic number.

552221655 is a deficient number, since it is larger than the sum of its proper divisors (337785609).

552221655 is a wasteful number, since it uses less digits than its factorization.

552221655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268866.

The product of its digits is 30000, while the sum is 33.

The square root of 552221655 is about 23499.3969071549. The cubic root of 552221655 is about 820.4229698700.

The spelling of 552221655 in words is "five hundred fifty-two million, two hundred twenty-one thousand, six hundred fifty-five".