13555800 has 144 divisors (see below), whose sum is σ = 48311640. Its totient is φ = 3394560.

The previous prime is 13555799. The next prime is 13555807. The reversal of 13555800 is 855531.

13555800 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13555800³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555807) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30379 + ... + 30821.

Almost surely, 2^13555800 is an apocalyptic number.

13555800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13555800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24155820).

13555800 is an abundant number, since it is smaller than the sum of its proper divisors (34755840).

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

13555800 is a wasteful number, since it uses less digits than its factorization.

13555800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 13555800 is about 3681.8202020196. The cubic root of 13555800 is about 238.4377697166.

The spelling of 13555800 in words is "thirteen million, five hundred fifty-five thousand, eight hundred".