553871217 has 8 divisors (see below), whose sum is σ = 739002880. Its totient is φ = 368993520.

The previous prime is 553871189. The next prime is 553871231. The reversal of 553871217 is 712178355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 553871217 - 2¹⁸ = 553609073 is a prime.

It is a super-2 number, since 2×553871217² = 613546650042122178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553871317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58342 + ... + 67167.

It is an arithmetic number, because the mean of its divisors is an integer number (92375360).

Almost surely, 2^553871217 is an apocalyptic number.

It is an amenable number.

553871217 is a deficient number, since it is larger than the sum of its proper divisors (185131663).

553871217 is a wasteful number, since it uses less digits than its factorization.

553871217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126983.

The product of its digits is 58800, while the sum is 39.

The square root of 553871217 is about 23534.4687001853. The cubic root of 553871217 is about 821.2390632137.

The spelling of 553871217 in words is "five hundred fifty-three million, eight hundred seventy-one thousand, two hundred seventeen".