4551545554 has 8 divisors (see below), whose sum is σ = 6956135820. Its totient is φ = 2232833616.

The previous prime is 4551545549. The next prime is 4551545567. The reversal of 4551545554 is 4555451554.

It can be written as a sum of positive squares in 2 ways, for example, as 4546130625 + 5414929 = 67425^2 + 2327^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 4551545554.

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, 21469449 + ... + 21469660.

Almost surely, 2^4551545554 is an apocalyptic number.

4551545554 is a deficient number, since it is larger than the sum of its proper divisors (2404590266).

4551545554 is a wasteful number, since it uses less digits than its factorization.

4551545554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42939164.

The product of its digits is 1000000, while the sum is 43.

The square root of 4551545554 is about 67465.1432519045. The cubic root of 4551545554 is about 1657.2433992215.

The spelling of 4551545554 in words is "four billion, five hundred fifty-one million, five hundred forty-five thousand, five hundred fifty-four".