11648554 has 4 divisors (see below), whose sum is σ = 17472834. Its totient is φ = 5824276.

The previous prime is 11648531. The next prime is 11648561. The reversal of 11648554 is 45584611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45584611 = 53 ⋅860087.

It can be written as a sum of positive squares in only one way, i.e., 9443329 + 2205225 = 3073^2 + 1485^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2912137 + ... + 2912140.

Almost surely, 2^11648554 is an apocalyptic number.

11648554 is a deficient number, since it is larger than the sum of its proper divisors (5824280).

11648554 is an equidigital number, since it uses as much as digits as its factorization.

11648554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824279.

The product of its digits is 19200, while the sum is 34.

The square root of 11648554 is about 3412.9978025191. The cubic root of 11648554 is about 226.6856380699.

The spelling of 11648554 in words is "eleven million, six hundred forty-eight thousand, five hundred fifty-four".