13550455 has 8 divisors (see below), whose sum is σ = 16308000. Its totient is φ = 10808736.

The previous prime is 13550447. The next prime is 13550483. The reversal of 13550455 is 55405531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13550455 - 2³ = 13550447 is a prime.

It is a super-2 number, since 2×13550455² = 367229661414050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980 + ... + 5569.

It is an arithmetic number, because the mean of its divisors is an integer number (2038500).

Almost surely, 2^13550455 is an apocalyptic number.

13550455 is a deficient number, since it is larger than the sum of its proper divisors (2757545).

13550455 is an equidigital number, since it uses as much as digits as its factorization.

13550455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7913.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 13550455 is about 3681.0942666550. The cubic root of 13550455 is about 238.4064272305.

Adding to 13550455 its reverse (55405531), we get a palindrome (68955986).

The spelling of 13550455 in words is "thirteen million, five hundred fifty thousand, four hundred fifty-five".