99543522 has 32 divisors (see below), whose sum is σ = 215151552. Its totient is φ = 30521664.

The previous prime is 99543503. The next prime is 99543533. The reversal of 99543522 is 22534599.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21868 + ... + 26024.

It is an arithmetic number, because the mean of its divisors is an integer number (6723486).

Almost surely, 2^99543522 is an apocalyptic number.

99543522 is an abundant number, since it is smaller than the sum of its proper divisors (115608030).

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

99543522 is a wasteful number, since it uses less digits than its factorization.

99543522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482.

The product of its digits is 97200, while the sum is 39.

The square root of 99543522 is about 9977.1499938610. The cubic root of 99543522 is about 463.4515449230.

The spelling of 99543522 in words is "ninety-nine million, five hundred forty-three thousand, five hundred twenty-two".