581025055 has 16 divisors (see below), whose sum is σ = 752510304. Its totient is φ = 428123520.

The previous prime is 581025043. The next prime is 581025059. The reversal of 581025055 is 550520185.

It is not a de Polignac number, because 581025055 - 2¹¹ = 581023007 is a prime.

It is a super-2 number, since 2×581025055² = 675180229075506050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581025059) 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, 20785 + ... + 39925.

It is an arithmetic number, because the mean of its divisors is an integer number (47031894).

Almost surely, 2^581025055 is an apocalyptic number.

581025055 is a deficient number, since it is larger than the sum of its proper divisors (171485249).

581025055 is a wasteful number, since it uses less digits than its factorization.

581025055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19626.

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 581025055 is about 24104.4613090606. The cubic root of 581025055 is about 834.4460954069.

The spelling of 581025055 in words is "five hundred eighty-one million, twenty-five thousand, fifty-five".