8081552530 has 32 divisors (see below), whose sum is σ = 15318797760. Its totient is φ = 3061206720.

The previous prime is 8081552513. The next prime is 8081552537. The reversal of 8081552530 is 352551808.

It is a super-2 number, since 2×8081552530² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8081552530.

It is not an unprimeable number, because it can be changed into a prime (8081552537) 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, 536157 + ... + 551023.

It is an arithmetic number, because the mean of its divisors is an integer number (478712430).

Almost surely, 2^8081552530 is an apocalyptic number.

8081552530 is a deficient number, since it is larger than the sum of its proper divisors (7237245230).

8081552530 is a wasteful number, since it uses less digits than its factorization.

8081552530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17754.

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 8081552530 is about 89897.4556369645. The cubic root of 8081552530 is about 2006.7730809611.

The spelling of 8081552530 in words is "eight billion, eighty-one million, five hundred fifty-two thousand, five hundred thirty".