9975455 has 16 divisors (see below), whose sum is σ = 13746240. Its totient is φ = 6807552.

The previous prime is 9975451. The next prime is 9975457. The reversal of 9975455 is 5545799.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9975455 - 2² = 9975451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8441 + ... + 9549.

It is an arithmetic number, because the mean of its divisors is an integer number (859140).

Almost surely, 2^9975455 is an apocalyptic number.

9975455 is a deficient number, since it is larger than the sum of its proper divisors (3770785).

9975455 is a wasteful number, since it uses less digits than its factorization.

9975455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378.

The product of its digits is 283500, while the sum is 44.

The square root of 9975455 is about 3158.3943705624. The cubic root of 9975455 is about 215.2670559242.

The spelling of 9975455 in words is "nine million, nine hundred seventy-five thousand, four hundred fifty-five".