553864655 has 16 divisors (see below), whose sum is σ = 691259520. Its totient is φ = 425647872.

The previous prime is 553864627. The next prime is 553864669. The reversal of 553864655 is 556468355.

It is a cyclic number.

It is not a de Polignac number, because 553864655 - 2¹⁶ = 553799119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4334 + ... + 33563.

It is an arithmetic number, because the mean of its divisors is an integer number (43203720).

Almost surely, 2^553864655 is an apocalyptic number.

553864655 is a deficient number, since it is larger than the sum of its proper divisors (137394865).

553864655 is a wasteful number, since it uses less digits than its factorization.

553864655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38018.

The product of its digits is 2160000, while the sum is 47.

The square root of 553864655 is about 23534.3292872348. The cubic root of 553864655 is about 821.2358199856.

The spelling of 553864655 in words is "five hundred fifty-three million, eight hundred sixty-four thousand, six hundred fifty-five".