531995055 has 16 divisors (see below), whose sum is σ = 852778464. Its totient is φ = 283201920.

The previous prime is 531995039. The next prime is 531995089. The reversal of 531995055 is 550599135.

It is not a de Polignac number, because 531995055 - 2⁴ = 531995039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531994998 and 531995016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24664 + ... + 40893.

It is an arithmetic number, because the mean of its divisors is an integer number (53298654).

Almost surely, 2^531995055 is an apocalyptic number.

531995055 is a deficient number, since it is larger than the sum of its proper divisors (320783409).

531995055 is a wasteful number, since it uses less digits than its factorization.

531995055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66106.

The product of its (nonzero) digits is 151875, while the sum is 42.

The square root of 531995055 is about 23065.0179926225. The cubic root of 531995055 is about 810.2813913365.

The spelling of 531995055 in words is "five hundred thirty-one million, nine hundred ninety-five thousand, fifty-five".