5555149 has 2 divisors, whose sum is σ = 5555150. Its totient is φ = 5555148.

The previous prime is 5555117. The next prime is 5555177. The reversal of 5555149 is 9415555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4652649 + 902500 = 2157^2 + 950^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555149 - 2⁵ = 5555117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777574 + 2777575.

It is an arithmetic number, because the mean of its divisors is an integer number (2777575).

Almost surely, 2^5555149 is an apocalyptic number.

It is an amenable number.

5555149 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555149 is an equidigital number, since it uses as much as digits as its factorization.

5555149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22500, while the sum is 34.

The square root of 5555149 is about 2356.9363589202. The cubic root of 5555149 is about 177.1054411276.

The spelling of 5555149 in words is "five million, five hundred fifty-five thousand, one hundred forty-nine".