538505958 has 8 divisors (see below), whose sum is σ = 1077011928. Its totient is φ = 179501984.

The previous prime is 538505911. The next prime is 538505977. The reversal of 538505958 is 859505835.

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

538505958 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44875491 + ... + 44875502.

It is an arithmetic number, because the mean of its divisors is an integer number (134626491).

Almost surely, 2^538505958 is an apocalyptic number.

538505958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

538505958 is a wasteful number, since it uses less digits than its factorization.

538505958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89750998.

The product of its (nonzero) digits is 1080000, while the sum is 48.

The square root of 538505958 is about 23205.7311455597. The cubic root of 538505958 is about 813.5735813083.

The spelling of 538505958 in words is "five hundred thirty-eight million, five hundred five thousand, nine hundred fifty-eight".