99564953 has 8 divisors (see below), whose sum is σ = 104011776. Its totient is φ = 95128000.

The previous prime is 99564947. The next prime is 99564973. The reversal of 99564953 is 35946599.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99564953 - 2¹⁶ = 99499417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99564943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24593 + ... + 28353.

It is an arithmetic number, because the mean of its divisors is an integer number (13001472).

Almost surely, 2^99564953 is an apocalyptic number.

It is an amenable number.

99564953 is a deficient number, since it is larger than the sum of its proper divisors (4446823).

99564953 is a wasteful number, since it uses less digits than its factorization.

99564953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935.

The product of its digits is 1312200, while the sum is 50.

The square root of 99564953 is about 9978.2239401609. The cubic root of 99564953 is about 463.4848017912.

The spelling of 99564953 in words is "ninety-nine million, five hundred sixty-four thousand, nine hundred fifty-three".