4551055551 has 40 divisors (see below), whose sum is σ = 7782894240. Its totient is φ = 2596188672.

The previous prime is 4551055547. The next prime is 4551055577. The reversal of 4551055551 is 1555501554.

4551055551 is a `hidden beast` number, since 4 + 5 + 51 + 0 + 55 + 551 = 666.

It is not a de Polignac number, because 4551055551 - 2² = 4551055547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551055501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 343335 + ... + 356343.

It is an arithmetic number, because the mean of its divisors is an integer number (194572356).

Almost surely, 2^4551055551 is an apocalyptic number.

4551055551 is a deficient number, since it is larger than the sum of its proper divisors (3231838689).

4551055551 is a wasteful number, since it uses less digits than its factorization.

4551055551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13645 (or 13636 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 36.

The square root of 4551055551 is about 67461.5116270011. The cubic root of 4551055551 is about 1657.1839261356.

The spelling of 4551055551 in words is "four billion, five hundred fifty-one million, fifty-five thousand, five hundred fifty-one".