5211343553 has 4 divisors (see below), whose sum is σ = 5612216148. Its totient is φ = 4810470960.

The previous prime is 5211343531. The next prime is 5211343573. The reversal of 5211343553 is 3553431125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2815045249 + 2396298304 = 53057^2 + 48952^2 .

It is a cyclic number.

It is not a de Polignac number, because 5211343553 - 2¹² = 5211339457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211343573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200436278 + ... + 200436303.

It is an arithmetic number, because the mean of its divisors is an integer number (1403054037).

Almost surely, 2^5211343553 is an apocalyptic number.

It is an amenable number.

5211343553 is a deficient number, since it is larger than the sum of its proper divisors (400872595).

5211343553 is a wasteful number, since it uses less digits than its factorization.

5211343553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400872594.

The product of its digits is 27000, while the sum is 32.

The square root of 5211343553 is about 72189.6360497821. The cubic root of 5211343553 is about 1733.7370687200.

Adding to 5211343553 its reverse (3553431125), we get a palindrome (8764774678).

The spelling of 5211343553 in words is "five billion, two hundred eleven million, three hundred forty-three thousand, five hundred fifty-three".