9953455 has 4 divisors (see below), whose sum is σ = 11944152. Its totient is φ = 7962760.

The previous prime is 9953429. The next prime is 9953479. The reversal of 9953455 is 5543599.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5543599 = 37 ⋅149827.

It is not a de Polignac number, because 9953455 - 2⁷ = 9953327 is a prime.

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 a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995341 + ... + 995350.

It is an arithmetic number, because the mean of its divisors is an integer number (2986038).

Almost surely, 2^9953455 is an apocalyptic number.

9953455 is a deficient number, since it is larger than the sum of its proper divisors (1990697).

9953455 is a wasteful number, since it uses less digits than its factorization.

9953455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990696.

The product of its digits is 121500, while the sum is 40.

The square root of 9953455 is about 3154.9096659017. The cubic root of 9953455 is about 215.1086885106.

The spelling of 9953455 in words is "nine million, nine hundred fifty-three thousand, four hundred fifty-five".