99995503 has 4 divisors (see below), whose sum is σ = 100349128. Its totient is φ = 99641880.

The previous prime is 99995453. The next prime is 99995507. The reversal of 99995503 is 30559999.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99995503 - 2²⁵ = 66441071 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 176388 + ... + 176953.

It is an arithmetic number, because the mean of its divisors is an integer number (25087282).

Almost surely, 2^99995503 is an apocalyptic number.

99995503 is a deficient number, since it is larger than the sum of its proper divisors (353625).

99995503 is a wasteful number, since it uses less digits than its factorization.

99995503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353624.

The product of its (nonzero) digits is 492075, while the sum is 49.

The square root of 99995503 is about 9999.7751474721. The cubic root of 99995503 is about 464.1519255153.

The spelling of 99995503 in words is "ninety-nine million, nine hundred ninety-five thousand, five hundred three".