553060321 has 4 divisors (see below), whose sum is σ = 603338544. Its totient is φ = 502782100.

The previous prime is 553060271. The next prime is 553060331. The reversal of 553060321 is 123060355.

It is a happy number.

553060321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 553060321 - 2¹⁷ = 552929249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553060331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25139095 + ... + 25139116.

It is an arithmetic number, because the mean of its divisors is an integer number (150834636).

Almost surely, 2^553060321 is an apocalyptic number.

It is an amenable number.

553060321 is a deficient number, since it is larger than the sum of its proper divisors (50278223).

553060321 is a wasteful number, since it uses less digits than its factorization.

553060321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50278222.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 553060321 is about 23517.2345525574. The cubic root of 553060321 is about 820.8380886999.

The spelling of 553060321 in words is "five hundred fifty-three million, sixty thousand, three hundred twenty-one".