538521088 has 160 divisors (see below), whose sum is σ = 1313630208. Its totient is φ = 215654400.

The previous prime is 538521079. The next prime is 538521127. The reversal of 538521088 is 880125835.

It is a self number, because there is not a number n which added to its sum of digits gives 538521088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4110783 + ... + 4110913.

Almost surely, 2^538521088 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 538521088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656815104).

538521088 is an abundant number, since it is smaller than the sum of its proper divisors (775109120).

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

538521088 is a wasteful number, since it uses less digits than its factorization.

538521088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

The square root of 538521088 is about 23206.0571403244. The cubic root of 538521088 is about 813.5812006935.

The spelling of 538521088 in words is "five hundred thirty-eight million, five hundred twenty-one thousand, eighty-eight".