521795088 has 80 divisors (see below), whose sum is σ = 1512700800. Its totient is φ = 172195200.

The previous prime is 521795083. The next prime is 521795179. The reversal of 521795088 is 880597125.

It is a happy number.

521795088 is a `hidden beast` number, since 521 + 79 + 50 + 8 + 8 = 666.

It is a super-2 number, since 2×521795088² = 544540227721855488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (521795083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37653 + ... + 49611.

It is an arithmetic number, because the mean of its divisors is an integer number (18908760).

Almost surely, 2^521795088 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 521795088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756350400).

521795088 is an abundant number, since it is smaller than the sum of its proper divisors (990905712).

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

521795088 is a wasteful number, since it uses less digits than its factorization.

521795088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12077 (or 12065 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 521795088 is about 22842.8345001228. The cubic root of 521795088 is about 805.0694167471.

The spelling of 521795088 in words is "five hundred twenty-one million, seven hundred ninety-five thousand, eighty-eight".