531266055 has 16 divisors (see below), whose sum is σ = 850375680. Its totient is φ = 283225248.

The previous prime is 531266027. The next prime is 531266083. The reversal of 531266055 is 550662135.

It is an interprime number because it is at equal distance from previous prime (531266027) and next prime (531266083).

It is not a de Polignac number, because 531266055 - 2⁶ = 531265991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40434 + ... + 51936.

It is an arithmetic number, because the mean of its divisors is an integer number (53148480).

Almost surely, 2^531266055 is an apocalyptic number.

531266055 is a deficient number, since it is larger than the sum of its proper divisors (319109625).

531266055 is a wasteful number, since it uses less digits than its factorization.

531266055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14590.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 531266055 is about 23049.2094224509. The cubic root of 531266055 is about 809.9111089772.

The spelling of 531266055 in words is "five hundred thirty-one million, two hundred sixty-six thousand, fifty-five".