531455255 has 16 divisors (see below), whose sum is σ = 642324384. Its totient is φ = 422125440.

The previous prime is 531455219. The next prime is 531455261. The reversal of 531455255 is 552554135.

It is not a de Polignac number, because 531455255 - 2⁶ = 531455191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 524129 + ... + 525141.

It is an arithmetic number, because the mean of its divisors is an integer number (40145274).

Almost surely, 2^531455255 is an apocalyptic number.

531455255 is a deficient number, since it is larger than the sum of its proper divisors (110869129).

531455255 is a wasteful number, since it uses less digits than its factorization.

531455255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its digits is 75000, while the sum is 35.

The square root of 531455255 is about 23053.3133193474. The cubic root of 531455255 is about 810.0072422255.

The spelling of 531455255 in words is "five hundred thirty-one million, four hundred fifty-five thousand, two hundred fifty-five".