554152321 has 4 divisors (see below), whose sum is σ = 555740500. Its totient is φ = 552564144.

The previous prime is 554152297. The next prime is 554152343. The reversal of 554152321 is 123251455.

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

It can be written as a sum of positive squares in 2 ways, for example, as 358572096 + 195580225 = 18936^2 + 13985^2 .

It is a cyclic number.

It is not a de Polignac number, because 554152321 - 2⁵ = 554152289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 554152321.

It is not an unprimeable number, because it can be changed into a prime (554152021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793566 + ... + 794263.

It is an arithmetic number, because the mean of its divisors is an integer number (138935125).

Almost surely, 2^554152321 is an apocalyptic number.

It is an amenable number.

554152321 is a deficient number, since it is larger than the sum of its proper divisors (1588179).

554152321 is a wasteful number, since it uses less digits than its factorization.

554152321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588178.

The product of its digits is 6000, while the sum is 28.

The square root of 554152321 is about 23540.4401190802. The cubic root of 554152321 is about 821.3779730871.

The spelling of 554152321 in words is "five hundred fifty-four million, one hundred fifty-two thousand, three hundred twenty-one".