558068381 has 8 divisors (see below), whose sum is σ = 601279224. Its totient is φ = 514897920.

The previous prime is 558068369. The next prime is 558068453. The reversal of 558068381 is 183860855.

It can be written as a sum of positive squares in 4 ways, for example, as 98823481 + 459244900 = 9941^2 + 21430^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 558068381 - 2¹⁴ = 558051997 is a prime.

It is a super-2 number, since 2×558068381² = 622880635743922322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558068311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22541 + ... + 40301.

It is an arithmetic number, because the mean of its divisors is an integer number (75159903).

Almost surely, 2^558068381 is an apocalyptic number.

It is an amenable number.

558068381 is a deficient number, since it is larger than the sum of its proper divisors (43210843).

558068381 is a wasteful number, since it uses less digits than its factorization.

558068381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20191.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 558068381 is about 23623.4709769754. The cubic root of 558068381 is about 823.3082595295.

The spelling of 558068381 in words is "five hundred fifty-eight million, sixty-eight thousand, three hundred eighty-one".