4509955 has 8 divisors (see below), whose sum is σ = 5647392. Its totient is φ = 3451008.

The previous prime is 4509941. The next prime is 4509961. The reversal of 4509955 is 5599054.

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

It is a cyclic number.

It is not a de Polignac number, because 4509955 - 2²¹ = 2412803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19494 + ... + 19723.

It is an arithmetic number, because the mean of its divisors is an integer number (705924).

Almost surely, 2^4509955 is an apocalyptic number.

4509955 is a deficient number, since it is larger than the sum of its proper divisors (1137437).

4509955 is a wasteful number, since it uses less digits than its factorization.

4509955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39245.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 4509955 is about 2123.6654632969. The cubic root of 4509955 is about 165.2180160611.

It can be divided in two parts, 45099 and 55, that added together give a palindrome (45154).

The spelling of 4509955 in words is "four million, five hundred nine thousand, nine hundred fifty-five".