538905528 has 192 divisors, whose sum is σ = 1772928000. Its totient is φ = 151187904.

The previous prime is 538905509. The next prime is 538905533. The reversal of 538905528 is 825509835.

538905528 is a `hidden beast` number, since 5 + 3 + 8 + 90 + 552 + 8 = 666.

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 47 ways as a sum of consecutive naturals, for example, 624025 + ... + 624887.

It is an arithmetic number, because the mean of its divisors is an integer number (9234000).

Almost surely, 2^538905528 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 538905528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886464000).

538905528 is an abundant number, since it is smaller than the sum of its proper divisors (1234022472).

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

538905528 is a wasteful number, since it uses less digits than its factorization.

538905528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The square root of 538905528 is about 23214.3388447744. The cubic root of 538905528 is about 813.7747547100.

The spelling of 538905528 in words is "five hundred thirty-eight million, nine hundred five thousand, five hundred twenty-eight".