5541565554 has 48 divisors (see below), whose sum is σ = 14092847808. Its totient is φ = 1540511136.

The previous prime is 5541565499. The next prime is 5541565577. The reversal of 5541565554 is 4555651455.

It is a happy number.

5541565554 is a `hidden beast` number, since 5 + 5 + 41 + 56 + 5 + 554 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 589672 + ... + 598995.

It is an arithmetic number, because the mean of its divisors is an integer number (293600996).

Almost surely, 2^5541565554 is an apocalyptic number.

5541565554 is an abundant number, since it is smaller than the sum of its proper divisors (8551282254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5541565554 is a wasteful number, since it uses less digits than its factorization.

5541565554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188719 (or 1188716 counting only the distinct ones).

The product of its digits is 1500000, while the sum is 45.

The square root of 5541565554 is about 74441.6923101564. The cubic root of 5541565554 is about 1769.6097061499.

The spelling of 5541565554 in words is "five billion, five hundred forty-one million, five hundred sixty-five thousand, five hundred fifty-four".