554363561 has 4 divisors (see below), whose sum is σ = 562637712. Its totient is φ = 546089412.

The previous prime is 554363531. The next prime is 554363567. The reversal of 554363561 is 165363455.

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 554363561 - 2⁶ = 554363497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554363567) 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, 4136975 + ... + 4137108.

It is an arithmetic number, because the mean of its divisors is an integer number (140659428).

Almost surely, 2^554363561 is an apocalyptic number.

It is an amenable number.

554363561 is a deficient number, since it is larger than the sum of its proper divisors (8274151).

554363561 is an equidigital number, since it uses as much as digits as its factorization.

554363561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8274150.

The product of its digits is 162000, while the sum is 38.

The square root of 554363561 is about 23544.9264386194. The cubic root of 554363561 is about 821.4823281741.

The spelling of 554363561 in words is "five hundred fifty-four million, three hundred sixty-three thousand, five hundred sixty-one".