4555855918 has 4 divisors (see below), whose sum is σ = 6833783880. Its totient is φ = 2277927958.

The previous prime is 4555855907. The next prime is 4555855937. The reversal of 4555855918 is 8195585554.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138963978 + ... + 1138963981.

It is an arithmetic number, because the mean of its divisors is an integer number (1708445970).

Almost surely, 2^4555855918 is an apocalyptic number.

4555855918 is a deficient number, since it is larger than the sum of its proper divisors (2277927962).

4555855918 is a wasteful number, since it uses less digits than its factorization.

4555855918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277927961.

The product of its digits is 7200000, while the sum is 55.

The square root of 4555855918 is about 67497.0808109506. The cubic root of 4555855918 is about 1657.7663767796.

The spelling of 4555855918 in words is "four billion, five hundred fifty-five million, eight hundred fifty-five thousand, nine hundred eighteen".