99565505 has 48 divisors (see below), whose sum is σ = 139138560. Its totient is φ = 68200704.

The previous prime is 99565489. The next prime is 99565513. The reversal of 99565505 is 50556599.

It is not a de Polignac number, because 99565505 - 2⁴ = 99565489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 913391 + ... + 913499.

It is an arithmetic number, because the mean of its divisors is an integer number (2898720).

Almost surely, 2^99565505 is an apocalyptic number.

It is an amenable number.

99565505 is a deficient number, since it is larger than the sum of its proper divisors (39573055).

99565505 is a wasteful number, since it uses less digits than its factorization.

99565505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 303750, while the sum is 44.

The square root of 99565505 is about 9978.2516003556. The cubic root of 99565505 is about 463.4856583280.

The spelling of 99565505 in words is "ninety-nine million, five hundred sixty-five thousand, five hundred five".