13552297501 has 4 divisors (see below), whose sum is σ = 13560030172. Its totient is φ = 13544564832.

The previous prime is 13552297489. The next prime is 13552297529. The reversal of 13552297501 is 10579225531.

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 1075184100 + 12477113401 = 32790^2 + 111701^2 .

It is a cyclic number.

It is not a de Polignac number, because 13552297501 - 2⁵ = 13552297469 is a prime.

It is a super-2 number, since 2×13552297501² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13552297571) 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, 3863706 + ... + 3867211.

It is an arithmetic number, because the mean of its divisors is an integer number (3390007543).

Almost surely, 2^13552297501 is an apocalyptic number.

It is an amenable number.

13552297501 is a deficient number, since it is larger than the sum of its proper divisors (7732671).

13552297501 is an equidigital number, since it uses as much as digits as its factorization.

13552297501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732670.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 13552297501 in words is "thirteen billion, five hundred fifty-two million, two hundred ninety-seven thousand, five hundred one".