5501056005551 has 4 divisors (see below), whose sum is σ = 5557767923232. Its totient is φ = 5444344087872.

The previous prime is 5501056005547. The next prime is 5501056005593. The reversal of 5501056005551 is 1555006501055.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5501056005551 - 2² = 5501056005547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5501056005521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28355958695 + ... + 28355958888.

It is an arithmetic number, because the mean of its divisors is an integer number (1389441980808).

Almost surely, 2^{5501056005551} is an apocalyptic number.

5501056005551 is a deficient number, since it is larger than the sum of its proper divisors (56711917681).

5501056005551 is an equidigital number, since it uses as much as digits as its factorization.

5501056005551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56711917680.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 5501056005551 in words is "five trillion, five hundred one billion, fifty-six million, five thousand, five hundred fifty-one".