13550432 has 24 divisors (see below), whose sum is σ = 30488976. Its totient is φ = 5807232.

The previous prime is 13550419. The next prime is 13550437. The reversal of 13550432 is 23405531.

It is a super-2 number, since 2×13550432² = 367228414773248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13550398 and 13550407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13550437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30023 + ... + 30470.

It is an arithmetic number, because the mean of its divisors is an integer number (1270374).

Almost surely, 2^13550432 is an apocalyptic number.

It is an amenable number.

13550432 is an abundant number, since it is smaller than the sum of its proper divisors (16938544).

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

13550432 is an equidigital number, since it uses as much as digits as its factorization.

13550432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60510 (or 60502 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 13550432 is about 3681.0911425826. The cubic root of 13550432 is about 238.4062923433.

Adding to 13550432 its reverse (23405531), we get a palindrome (36955963).

The spelling of 13550432 in words is "thirteen million, five hundred fifty thousand, four hundred thirty-two".