5551489 has 2 divisors, whose sum is σ = 5551490. Its totient is φ = 5551488.

The previous prime is 5551463. The next prime is 5551501. The reversal of 5551489 is 9841555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3301489 + 2250000 = 1817^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551489 - 2⁷ = 5551361 is a prime.

It is not a weakly prime, because it can be changed into another prime (5551459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775744 + 2775745.

It is an arithmetic number, because the mean of its divisors is an integer number (2775745).

Almost surely, 2^5551489 is an apocalyptic number.

It is an amenable number.

5551489 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551489 is an equidigital number, since it uses as much as digits as its factorization.

5551489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 37.

The square root of 5551489 is about 2356.1597993345. The cubic root of 5551489 is about 177.0665373812.

The spelling of 5551489 in words is "five million, five hundred fifty-one thousand, four hundred eighty-nine".