5541221455 has 32 divisors (see below), whose sum is σ = 8355594240. Its totient is φ = 3427038720.

The previous prime is 5541221431. The next prime is 5541221473.

5541221455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5541221455 - 2⁹ = 5541220943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5541221455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7770 + ... + 105559.

It is an arithmetic number, because the mean of its divisors is an integer number (261112320).

Almost surely, 2^5541221455 is an apocalyptic number.

5541221455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5541221455 is a deficient number, since it is larger than the sum of its proper divisors (2814372785).

5541221455 is a wasteful number, since it uses less digits than its factorization.

5541221455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113479.

The product of its digits is 40000, while the sum is 34.

The square root of 5541221455 is about 74439.3810761481. The cubic root of 5541221455 is about 1769.5730779006.

It can be divided in two parts, 55412 and 21455, that added together give a palindrome (76867).

The spelling of 5541221455 in words is "five billion, five hundred forty-one million, two hundred twenty-one thousand, four hundred fifty-five".