99560506 has 4 divisors (see below), whose sum is σ = 149340762. Its totient is φ = 49780252.

The previous prime is 99560471. The next prime is 99560519. The reversal of 99560506 is 60506599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60506599 = 983 ⋅61553.

It can be written as a sum of positive squares in only one way, i.e., 91489225 + 8071281 = 9565^2 + 2841^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24890125 + ... + 24890128.

Almost surely, 2^99560506 is an apocalyptic number.

99560506 is a deficient number, since it is larger than the sum of its proper divisors (49780256).

99560506 is a wasteful number, since it uses less digits than its factorization.

99560506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49780255.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 99560506 is about 9978.0011024253. The cubic root of 99560506 is about 463.4779012787.

The spelling of 99560506 in words is "ninety-nine million, five hundred sixty thousand, five hundred six".