553521149 has 2 divisors, whose sum is σ = 553521150. Its totient is φ = 553521148.

The previous prime is 553521131. The next prime is 553521187. The reversal of 553521149 is 941125355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498093124 + 55428025 = 22318^2 + 7445^2 .

It is a cyclic number.

It is not a de Polignac number, because 553521149 - 2¹⁶ = 553455613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553521049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276760574 + 276760575.

It is an arithmetic number, because the mean of its divisors is an integer number (276760575).

Almost surely, 2^553521149 is an apocalyptic number.

It is an amenable number.

553521149 is a deficient number, since it is larger than the sum of its proper divisors (1).

553521149 is an equidigital number, since it uses as much as digits as its factorization.

553521149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 35.

The square root of 553521149 is about 23527.0301780739. The cubic root of 553521149 is about 821.0660084812.

The spelling of 553521149 in words is "five hundred fifty-three million, five hundred twenty-one thousand, one hundred forty-nine".