539561088 has 384 divisors, whose sum is σ = 1871251200. Its totient is φ = 153031680.

The previous prime is 539561083. The next prime is 539561123. The reversal of 539561088 is 880165935.

539561088 is a `hidden beast` number, since 5 + 3 + 9 + 561 + 0 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×539561088² = 582252335367487488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (539561083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6500695 + ... + 6500777.

It is an arithmetic number, because the mean of its divisors is an integer number (4873050).

Almost surely, 2^539561088 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 539561088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935625600).

539561088 is an abundant number, since it is smaller than the sum of its proper divisors (1331690112).

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

539561088 is a wasteful number, since it uses less digits than its factorization.

539561088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 539561088 is about 23228.4542748759. The cubic root of 539561088 is about 814.1045973121.

The spelling of 539561088 in words is "five hundred thirty-nine million, five hundred sixty-one thousand, eighty-eight".