552773321 has 6 divisors (see below), whose sum is σ = 572492622. Its totient is φ = 533711360.

The previous prime is 552773317. The next prime is 552773381. The reversal of 552773321 is 123377255.

It can be written as a sum of positive squares in 3 ways, for example, as 42510400 + 510262921 = 6520^2 + 22589^2 .

It is not a de Polignac number, because 552773321 - 2² = 552773317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552773311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327800 + ... + 329481.

It is an arithmetic number, because the mean of its divisors is an integer number (95415437).

Almost surely, 2^552773321 is an apocalyptic number.

It is an amenable number.

552773321 is a deficient number, since it is larger than the sum of its proper divisors (19719301).

552773321 is an equidigital number, since it uses as much as digits as its factorization.

552773321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657339 (or 657310 counting only the distinct ones).

The product of its digits is 44100, while the sum is 35.

The square root of 552773321 is about 23511.1318528054. The cubic root of 552773321 is about 820.6960780944.

The spelling of 552773321 in words is "five hundred fifty-two million, seven hundred seventy-three thousand, three hundred twenty-one".