538988526 has 32 divisors (see below), whose sum is σ = 1199681280. Its totient is φ = 179373528.

The previous prime is 538988521. The next prime is 538988543. The reversal of 538988526 is 625889835.

538988526 is a `hidden beast` number, since 5 + 38 + 9 + 88 + 526 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538988521) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27225 + ... + 42651.

It is an arithmetic number, because the mean of its divisors is an integer number (37490040).

Almost surely, 2^538988526 is an apocalyptic number.

538988526 is an abundant number, since it is smaller than the sum of its proper divisors (660692754).

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

538988526 is a wasteful number, since it uses less digits than its factorization.

538988526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16085 (or 16079 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 538988526 is about 23216.1264210893. The cubic root of 538988526 is about 813.8165296325.

The spelling of 538988526 in words is "five hundred thirty-eight million, nine hundred eighty-eight thousand, five hundred twenty-six".