5545481 has 2 divisors, whose sum is σ = 5545482. Its totient is φ = 5545480.

The previous prime is 5545459. The next prime is 5545487. The reversal of 5545481 is 1845455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4243600 + 1301881 = 2060^2 + 1141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5545481 is a prime.

It is a super-2 number, since 2×5545481² = 61504719042722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5545487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772740 + 2772741.

It is an arithmetic number, because the mean of its divisors is an integer number (2772741).

Almost surely, 2^5545481 is an apocalyptic number.

It is an amenable number.

5545481 is a deficient number, since it is larger than the sum of its proper divisors (1).

5545481 is an equidigital number, since it uses as much as digits as its factorization.

5545481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16000, while the sum is 32.

The square root of 5545481 is about 2354.8844982292. The cubic root of 5545481 is about 177.0026386235.

The spelling of 5545481 in words is "five million, five hundred forty-five thousand, four hundred eighty-one".