538542558 has 24 divisors (see below), whose sum is σ = 1235480688. Its totient is φ = 168954432.

The previous prime is 538542553. The next prime is 538542559. The reversal of 538542558 is 855245835.

538542558 is a `hidden beast` number, since 53 + 8 + 5 + 42 + 558 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538542551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 879666 + ... + 880277.

It is an arithmetic number, because the mean of its divisors is an integer number (51478362).

Almost surely, 2^538542558 is an apocalyptic number.

538542558 is an abundant number, since it is smaller than the sum of its proper divisors (696938130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538542558 is a wasteful number, since it uses less digits than its factorization.

538542558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759968 (or 1759965 counting only the distinct ones).

The product of its digits is 960000, while the sum is 45.

The square root of 538542558 is about 23206.5197304551. The cubic root of 538542558 is about 813.5920126231.

The spelling of 538542558 in words is "five hundred thirty-eight million, five hundred forty-two thousand, five hundred fifty-eight".