554124321 has 24 divisors (see below), whose sum is σ = 852493824. Its totient is φ = 359426160.

The previous prime is 554124317. The next prime is 554124323. The reversal of 554124321 is 123421455.

It is not a de Polignac number, because 554124321 - 2² = 554124317 is a prime.

It is a super-2 number, since 2×554124321² = 614107526247422082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554124323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21825 + ... + 39806.

It is an arithmetic number, because the mean of its divisors is an integer number (35520576).

Almost surely, 2^554124321 is an apocalyptic number.

It is an amenable number.

554124321 is a deficient number, since it is larger than the sum of its proper divisors (298369503).

554124321 is an equidigital number, since it uses as much as digits as its factorization.

554124321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61683 (or 61671 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 554124321 is about 23539.8453903164. The cubic root of 554124321 is about 821.3641387617.

Adding to 554124321 its reverse (123421455), we get a palindrome (677545776).

The spelling of 554124321 in words is "five hundred fifty-four million, one hundred twenty-four thousand, three hundred twenty-one".