553324311 has 8 divisors (see below), whose sum is σ = 819739760. Its totient is φ = 368882856.

The previous prime is 553324283. The next prime is 553324319. The reversal of 553324311 is 113423355.

It is not a de Polignac number, because 553324311 - 2⁷ = 553324183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20493493 = 553324311 / (5 + 5 + 3 + 3 + 2 + 4 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553324319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10246720 + ... + 10246773.

It is an arithmetic number, because the mean of its divisors is an integer number (102467470).

Almost surely, 2^553324311 is an apocalyptic number.

553324311 is a deficient number, since it is larger than the sum of its proper divisors (266415449).

553324311 is a wasteful number, since it uses less digits than its factorization.

553324311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20493502 (or 20493496 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 553324311 is about 23522.8465751915. The cubic root of 553324311 is about 820.9686703442.

Adding to 553324311 its reverse (113423355), we get a palindrome (666747666).

The spelling of 553324311 in words is "five hundred fifty-three million, three hundred twenty-four thousand, three hundred eleven".