5317121553 has 8 divisors (see below), whose sum is σ = 7090020000. Its totient is φ = 3544485408.

The previous prime is 5317121539. The next prime is 5317121567. The reversal of 5317121553 is 3551217135.

It is an interprime number because it is at equal distance from previous prime (5317121539) and next prime (5317121567).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5317121553 - 2⁵ = 5317121521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5317121153) 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 7 ways as a sum of consecutive naturals, for example, 12028 + ... + 103821.

It is an arithmetic number, because the mean of its divisors is an integer number (886252500).

Almost surely, 2^5317121553 is an apocalyptic number.

It is an amenable number.

5317121553 is a deficient number, since it is larger than the sum of its proper divisors (1772898447).

5317121553 is a wasteful number, since it uses less digits than its factorization.

5317121553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131151.

The product of its digits is 15750, while the sum is 33.

The square root of 5317121553 is about 72918.5953855393. The cubic root of 5317121553 is about 1745.3888458938.

Adding to 5317121553 its reverse (3551217135), we get a palindrome (8868338688).

The spelling of 5317121553 in words is "five billion, three hundred seventeen million, one hundred twenty-one thousand, five hundred fifty-three".