538555312 has 40 divisors (see below), whose sum is σ = 1080863360. Its totient is φ = 259683840.

The previous prime is 538555307. The next prime is 538555333. The reversal of 538555312 is 213555835.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153514 + ... + 156982.

It is an arithmetic number, because the mean of its divisors is an integer number (27021584).

Almost surely, 2^538555312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538555312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540431680).

538555312 is an abundant number, since it is smaller than the sum of its proper divisors (542308048).

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

538555312 is a wasteful number, since it uses less digits than its factorization.

538555312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821 (or 3815 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 538555312 is about 23206.7945222945. The cubic root of 538555312 is about 813.5984351861.

The spelling of 538555312 in words is "five hundred thirty-eight million, five hundred fifty-five thousand, three hundred twelve".