11321554 has 8 divisors (see below), whose sum is σ = 17147520. Its totient is φ = 5605716.

The previous prime is 11321551. The next prime is 11321561. The reversal of 11321554 is 45512311.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (11321551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27274 + ... + 27685.

It is an arithmetic number, because the mean of its divisors is an integer number (2143440).

Almost surely, 2^11321554 is an apocalyptic number.

11321554 is a deficient number, since it is larger than the sum of its proper divisors (5825966).

11321554 is a wasteful number, since it uses less digits than its factorization.

11321554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55064.

The product of its digits is 600, while the sum is 22.

The square root of 11321554 is about 3364.7516996058. The cubic root of 11321554 is about 224.5442891574.

Adding to 11321554 its reverse (45512311), we get a palindrome (56833865).

The spelling of 11321554 in words is "eleven million, three hundred twenty-one thousand, five hundred fifty-four".