99995505 has 16 divisors (see below), whose sum is σ = 161792640. Its totient is φ = 52731008.

The previous prime is 99995453. The next prime is 99995507. The reversal of 99995505 is 50559999.

It is a cyclic number.

It is not a de Polignac number, because 99995505 - 2⁸ = 99995249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99995507) 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, 36117 + ... + 38786.

It is an arithmetic number, because the mean of its divisors is an integer number (10112040).

Almost surely, 2^99995505 is an apocalyptic number.

It is an amenable number.

99995505 is a deficient number, since it is larger than the sum of its proper divisors (61797135).

99995505 is a wasteful number, since it uses less digits than its factorization.

99995505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75000.

The product of its (nonzero) digits is 820125, while the sum is 51.

The square root of 99995505 is about 9999.7752474743. The cubic root of 99995505 is about 464.1519286098.

The spelling of 99995505 in words is "ninety-nine million, nine hundred ninety-five thousand, five hundred five".