11552549 has 2 divisors, whose sum is σ = 11552550. Its totient is φ = 11552548.

The previous prime is 11552539. The next prime is 11552561. The reversal of 11552549 is 94525511.

11552549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7480225 + 4072324 = 2735^2 + 2018^2 .

It is an emirp because it is prime and its reverse (94525511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11552549 - 2⁴ = 11552533 is a prime.

It is a super-2 number, since 2×11552549² = 266922776794802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11552539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776274 + 5776275.

It is an arithmetic number, because the mean of its divisors is an integer number (5776275).

Almost surely, 2^11552549 is an apocalyptic number.

It is an amenable number.

11552549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11552549 is an equidigital number, since it uses as much as digits as its factorization.

11552549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 32.

The square root of 11552549 is about 3398.9040880849. The cubic root of 11552549 is about 226.0611537330.

The spelling of 11552549 in words is "eleven million, five hundred fifty-two thousand, five hundred forty-nine".