554223391 has 4 divisors (see below), whose sum is σ = 554365512. Its totient is φ = 554081272.

The previous prime is 554223377. The next prime is 554223413. The reversal of 554223391 is 193322455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 554223391 - 2⁵ = 554223359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554223091) 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, 65041 + ... + 73066.

It is an arithmetic number, because the mean of its divisors is an integer number (138591378).

Almost surely, 2^554223391 is an apocalyptic number.

554223391 is a deficient number, since it is larger than the sum of its proper divisors (142121).

554223391 is a wasteful number, since it uses less digits than its factorization.

554223391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142120.

The product of its digits is 32400, while the sum is 34.

The square root of 554223391 is about 23541.9496006597. The cubic root of 554223391 is about 821.4130854771.

The spelling of 554223391 in words is "five hundred fifty-four million, two hundred twenty-three thousand, three hundred ninety-one".