556050321 has 12 divisors (see below), whose sum is σ = 830880180. Its totient is φ = 357917280.

The previous prime is 556050307. The next prime is 556050343. The reversal of 556050321 is 123050655.

556050321 is a `hidden beast` number, since 55 + 605 + 0 + 3 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 417752721 + 138297600 = 20439^2 + 11760^2 .

It is not a de Polignac number, because 556050321 - 2²³ = 547661713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556050301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1064970 + ... + 1065491.

It is an arithmetic number, because the mean of its divisors is an integer number (69240015).

Almost surely, 2^556050321 is an apocalyptic number.

It is an amenable number.

556050321 is a deficient number, since it is larger than the sum of its proper divisors (274829859).

556050321 is a wasteful number, since it uses less digits than its factorization.

556050321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130496 (or 2130493 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 556050321 is about 23580.7192638393. The cubic root of 556050321 is about 822.3146583366.

The spelling of 556050321 in words is "five hundred fifty-six million, fifty thousand, three hundred twenty-one".