99455953 has 4 divisors (see below), whose sum is σ = 99563940. Its totient is φ = 99347968.

The previous prime is 99455929. The next prime is 99455957. The reversal of 99455953 is 35955499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35955499 = 251 ⋅143249.

It can be written as a sum of positive squares in 2 ways, for example, as 20903184 + 78552769 = 4572^2 + 8863^2 .

It is a cyclic number.

It is not a de Polignac number, because 99455953 - 2⁹ = 99455441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99455897 and 99455906.

It is not an unprimeable number, because it can be changed into a prime (99455957) 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, 52600 + ... + 54457.

It is an arithmetic number, because the mean of its divisors is an integer number (24890985).

Almost surely, 2^99455953 is an apocalyptic number.

It is an amenable number.

99455953 is a deficient number, since it is larger than the sum of its proper divisors (107987).

99455953 is a wasteful number, since it uses less digits than its factorization.

99455953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107986.

The product of its digits is 1093500, while the sum is 49.

The square root of 99455953 is about 9972.7605506199. The cubic root of 99455953 is about 463.3156047366.

The spelling of 99455953 in words is "ninety-nine million, four hundred fifty-five thousand, nine hundred fifty-three".