553213345 has 16 divisors (see below), whose sum is σ = 676917072. Its totient is φ = 433935360.

The previous prime is 553213249. The next prime is 553213429. The reversal of 553213345 is 543312355.

553213345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1151329 + 552062016 = 1073^2 + 23496^2 .

It is not a de Polignac number, because 553213345 - 2¹³ = 553205153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58765 + ... + 67525.

It is an arithmetic number, because the mean of its divisors is an integer number (42307317).

Almost surely, 2^553213345 is an apocalyptic number.

It is an amenable number.

553213345 is a deficient number, since it is larger than the sum of its proper divisors (123703727).

553213345 is a wasteful number, since it uses less digits than its factorization.

553213345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012.

The product of its digits is 27000, while the sum is 31.

The square root of 553213345 is about 23520.4877713027. The cubic root of 553213345 is about 820.9137864975.

The spelling of 553213345 in words is "five hundred fifty-three million, two hundred thirteen thousand, three hundred forty-five".