13555452455 has 24 divisors (see below), whose sum is σ = 16951011792. Its totient is φ = 10405656576.

The previous prime is 13555452403. The next prime is 13555452457. The reversal of 13555452455 is 55425455531.

It is not a de Polignac number, because 13555452455 - 2¹⁶ = 13555386919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555452457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675527 + ... + 695303.

It is an arithmetic number, because the mean of its divisors is an integer number (706292158).

Almost surely, 2^13555452455 is an apocalyptic number.

13555452455 is a deficient number, since it is larger than the sum of its proper divisors (3395559337).

13555452455 is a wasteful number, since it uses less digits than its factorization.

13555452455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20003 (or 19974 counting only the distinct ones).

The product of its digits is 1500000, while the sum is 44.

The spelling of 13555452455 in words is "thirteen billion, five hundred fifty-five million, four hundred fifty-two thousand, four hundred fifty-five".