4555478 has 8 divisors (see below), whose sum is σ = 7192920. Its totient is φ = 2157840.

The previous prime is 4555433. The next prime is 4555489. The reversal of 4555478 is 8745554.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 119881 = 4555478 / (4 + 5 + 5 + 5 + 4 + 7 + 8).

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, 59903 + ... + 59978.

It is an arithmetic number, because the mean of its divisors is an integer number (899115).

Almost surely, 2^4555478 is an apocalyptic number.

4555478 is a deficient number, since it is larger than the sum of its proper divisors (2637442).

4555478 is a wasteful number, since it uses less digits than its factorization.

4555478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119902.

The product of its digits is 112000, while the sum is 38.

The square root of 4555478 is about 2134.3565775193. The cubic root of 4555478 is about 165.7720537089.

The spelling of 4555478 in words is "four million, five hundred fifty-five thousand, four hundred seventy-eight".