13555503424 has 28 divisors (see below), whose sum is σ = 27766922368. Its totient is φ = 6559113600.

The previous prime is 13555503421. The next prime is 13555503427. The reversal of 13555503424 is 42430555531.

It is an interprime number because it is at equal distance from previous prime (13555503421) and next prime (13555503427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555503421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3414222 + ... + 3418189.

Almost surely, 2^13555503424 is an apocalyptic number.

It is an amenable number.

13555503424 is an abundant number, since it is smaller than the sum of its proper divisors (14211418944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13555503424 is an equidigital number, since it uses as much as digits as its factorization.

13555503424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6832454 (or 6832444 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 13555503424 in words is "thirteen billion, five hundred fifty-five million, five hundred three thousand, four hundred twenty-four".