531110055 has 16 divisors (see below), whose sum is σ = 971172864. Its totient is φ = 242793120.

The previous prime is 531110051. The next prime is 531110087. The reversal of 531110055 is 550011135.

It is not a de Polignac number, because 531110055 - 2² = 531110051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531110051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2528991 + ... + 2529200.

It is an arithmetic number, because the mean of its divisors is an integer number (60698304).

Almost surely, 2^531110055 is an apocalyptic number.

531110055 is a deficient number, since it is larger than the sum of its proper divisors (440062809).

531110055 is a wasteful number, since it uses less digits than its factorization.

531110055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058206.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 531110055 is about 23045.8251099847. The cubic root of 531110055 is about 809.8318276074.

The spelling of 531110055 in words is "five hundred thirty-one million, one hundred ten thousand, fifty-five".