527581056 has 128 divisors (see below), whose sum is σ = 1487404800. Its totient is φ = 165224448.

The previous prime is 527581051. The next prime is 527581097. The reversal of 527581056 is 650185725.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527581051) 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, 1218216 + ... + 1218648.

It is an arithmetic number, because the mean of its divisors is an integer number (11620350).

Almost surely, 2^527581056 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 527581056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743702400).

527581056 is an abundant number, since it is smaller than the sum of its proper divisors (959823744).

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

527581056 is a wasteful number, since it uses less digits than its factorization.

527581056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 527581056 is about 22969.1326784448. The cubic root of 527581056 is about 808.0341782098.

The spelling of 527581056 in words is "five hundred twenty-seven million, five hundred eighty-one thousand, fifty-six".