9528552861 has 16 divisors (see below), whose sum is σ = 13267953024. Its totient is φ = 6071212224.

The previous prime is 9528552827. The next prime is 9528552883. The reversal of 9528552861 is 1682558259.

It is a happy number.

It is not a de Polignac number, because 9528552861 - 2¹⁷ = 9528421789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9528552811) 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, 29535 + ... + 141171.

It is an arithmetic number, because the mean of its divisors is an integer number (829247064).

Almost surely, 2^9528552861 is an apocalyptic number.

It is an amenable number.

9528552861 is a deficient number, since it is larger than the sum of its proper divisors (3739400163).

9528552861 is a wasteful number, since it uses less digits than its factorization.

9528552861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112900.

The product of its digits is 1728000, while the sum is 51.

The square root of 9528552861 is about 97614.3066409837. The cubic root of 9528552861 is about 2120.0315099298.

The spelling of 9528552861 in words is "nine billion, five hundred twenty-eight million, five hundred fifty-two thousand, eight hundred sixty-one".