531304055 has 8 divisors (see below), whose sum is σ = 638439072. Its totient is φ = 424460448.

The previous prime is 531303991. The next prime is 531304057. The reversal of 531304055 is 550403135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531304055 - 2⁶ = 531303991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531304057) 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 in 7 ways as a sum of consecutive naturals, for example, 68819 + ... + 76148.

It is an arithmetic number, because the mean of its divisors is an integer number (79804884).

Almost surely, 2^531304055 is an apocalyptic number.

531304055 is a deficient number, since it is larger than the sum of its proper divisors (107135017).

531304055 is a wasteful number, since it uses less digits than its factorization.

531304055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145705.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 531304055 is about 23050.0337309948. The cubic root of 531304055 is about 809.9304187550.

The spelling of 531304055 in words is "five hundred thirty-one million, three hundred four thousand, fifty-five".