13555455 has 16 divisors (see below), whose sum is σ = 22830720. Its totient is φ = 6848928.

The previous prime is 13555453. The next prime is 13555469. The reversal of 13555455 is 55455531.

It is not a de Polignac number, because 13555455 - 2¹ = 13555453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23497 + ... + 24066.

It is an arithmetic number, because the mean of its divisors is an integer number (1426920).

Almost surely, 2^13555455 is an apocalyptic number.

13555455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13555455 is a deficient number, since it is larger than the sum of its proper divisors (9275265).

13555455 is a wasteful number, since it uses less digits than its factorization.

13555455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47590.

The product of its digits is 37500, while the sum is 33.

The square root of 13555455 is about 3681.7733498954. The cubic root of 13555455 is about 238.4357469237.

The spelling of 13555455 in words is "thirteen million, five hundred fifty-five thousand, four hundred fifty-five".