13553907377 has 4 divisors (see below), whose sum is σ = 13920229236. Its totient is φ = 13187585520.

The previous prime is 13553907371. The next prime is 13553907397. The reversal of 13553907377 is 77370935531.

13553907377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77370935531 = 10331 ⋅7489201.

It can be written as a sum of positive squares in 2 ways, for example, as 11961578161 + 1592329216 = 109369^2 + 39904^2 .

It is a cyclic number.

It is not a de Polignac number, because 13553907377 - 2⁸ = 13553907121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13553907371) 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, 183160874 + ... + 183160947.

It is an arithmetic number, because the mean of its divisors is an integer number (3480057309).

Almost surely, 2^13553907377 is an apocalyptic number.

It is an amenable number.

13553907377 is a deficient number, since it is larger than the sum of its proper divisors (366321859).

13553907377 is an equidigital number, since it uses as much as digits as its factorization.

13553907377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366321858.

The product of its (nonzero) digits is 2083725, while the sum is 50.

The spelling of 13553907377 in words is "thirteen billion, five hundred fifty-three million, nine hundred seven thousand, three hundred seventy-seven".