5501221055 has 8 divisors (see below), whose sum is σ = 7201598544. Its totient is φ = 4000888000.

The previous prime is 5501221051. The next prime is 5501221111.

5501221055 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 5501221055 - 2² = 5501221051 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 (5501221051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50011046 + ... + 50011155.

It is an arithmetic number, because the mean of its divisors is an integer number (900199818).

Almost surely, 2^5501221055 is an apocalyptic number.

5501221055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5501221055 is a deficient number, since it is larger than the sum of its proper divisors (1700377489).

5501221055 is a wasteful number, since it uses less digits than its factorization.

5501221055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100022217.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 5501221055 is about 74170.2167652219. The cubic root of 5501221055 is about 1765.3047867696.

It can be divided in two parts, 55012 and 21055, that added together give a palindrome (76067).

The spelling of 5501221055 in words is "five billion, five hundred one million, two hundred twenty-one thousand, fifty-five".