553551617 has 4 divisors (see below), whose sum is σ = 555656640. Its totient is φ = 551446596.

The previous prime is 553551587. The next prime is 553551641. The reversal of 553551617 is 716155355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 553551617 - 2²⁴ = 536774401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553551517) 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 3 ways as a sum of consecutive naturals, for example, 1052117 + ... + 1052642.

It is an arithmetic number, because the mean of its divisors is an integer number (138914160).

Almost surely, 2^553551617 is an apocalyptic number.

It is an amenable number.

553551617 is a deficient number, since it is larger than the sum of its proper divisors (2105023).

553551617 is a wasteful number, since it uses less digits than its factorization.

553551617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105022.

The product of its digits is 78750, while the sum is 38.

The square root of 553551617 is about 23527.6776797031. The cubic root of 553551617 is about 821.0810731150.

The spelling of 553551617 in words is "five hundred fifty-three million, five hundred fifty-one thousand, six hundred seventeen".