5541661455 has 96 divisors (see below), whose sum is σ = 9984576000. Its totient is φ = 2621963520.

The previous prime is 5541661439. The next prime is 5541661457.

5541661455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5541661455 - 2⁴ = 5541661439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541661457) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24199281 + ... + 24199509.

It is an arithmetic number, because the mean of its divisors is an integer number (104006000).

Almost surely, 2^5541661455 is an apocalyptic number.

5541661455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5541661455 is a deficient number, since it is larger than the sum of its proper divisors (4442914545).

5541661455 is a wasteful number, since it uses less digits than its factorization.

5541661455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 514 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The square root of 5541661455 is about 74442.3364423767. The cubic root of 5541661455 is about 1769.6199142376.

The spelling of 5541661455 in words is "five billion, five hundred forty-one million, six hundred sixty-one thousand, four hundred fifty-five".