5217532553 has 4 divisors (see below), whose sum is σ = 5252549700. Its totient is φ = 5182515408.

The previous prime is 5217532547. The next prime is 5217532627. The reversal of 5217532553 is 3552357125.

It is a happy number.

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 3189651529 + 2027881024 = 56477^2 + 45032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5217532553 is a prime.

It is a super-2 number, since 2×5217532553² = 54445291883229395618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5217532513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17508350 + ... + 17508647.

It is an arithmetic number, because the mean of its divisors is an integer number (1313137425).

Almost surely, 2^5217532553 is an apocalyptic number.

It is an amenable number.

5217532553 is a deficient number, since it is larger than the sum of its proper divisors (35017147).

5217532553 is a wasteful number, since it uses less digits than its factorization.

5217532553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35017146.

The product of its digits is 157500, while the sum is 38.

The square root of 5217532553 is about 72232.4895943647. The cubic root of 5217532553 is about 1734.4231268491.

Adding to 5217532553 its reverse (3552357125), we get a palindrome (8769889678).

The spelling of 5217532553 in words is "five billion, two hundred seventeen million, five hundred thirty-two thousand, five hundred fifty-three".