528055585 has 4 divisors (see below), whose sum is σ = 633666708. Its totient is φ = 422444464.

The previous prime is 528055571. The next prime is 528055603. The reversal of 528055585 is 585550825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284664384 + 243391201 = 16872^2 + 15601^2 .

It is a cyclic number.

It is not a de Polignac number, because 528055585 - 2¹³ = 528047393 is a prime.

It is a super-3 number, since 3×528055585³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52805554 + ... + 52805563.

It is an arithmetic number, because the mean of its divisors is an integer number (158416677).

Almost surely, 2^528055585 is an apocalyptic number.

It is an amenable number.

528055585 is a deficient number, since it is larger than the sum of its proper divisors (105611123).

528055585 is a wasteful number, since it uses less digits than its factorization.

528055585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105611122.

The product of its (nonzero) digits is 400000, while the sum is 43.

The square root of 528055585 is about 22979.4600676343. The cubic root of 528055585 is about 808.2763657967.

The spelling of 528055585 in words is "five hundred twenty-eight million, fifty-five thousand, five hundred eighty-five".