539772288 has 96 divisors (see below), whose sum is σ = 1576097880. Its totient is φ = 163553280.

The previous prime is 539772281. The next prime is 539772313. The reversal of 539772288 is 882277935.

It is a Cunningham number, because it is equal to 23233²-1.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 539772288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539772281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40656 + ... + 52272.

Almost surely, 2^539772288 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 539772288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788048940).

539772288 is an abundant number, since it is smaller than the sum of its proper divisors (1036325592).

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

539772288 is a wasteful number, since it uses less digits than its factorization.

539772288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11656 (or 11633 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 539772288 is about 23232.9999784789. Note that the first 4 decimals coincide. The cubic root of 539772288 is about 814.2108049104.

It can be divided in two parts, 53977 and 2288, that added together give a palindrome (56265).

The spelling of 539772288 in words is "five hundred thirty-nine million, seven hundred seventy-two thousand, two hundred eighty-eight".