5541054521 has 4 divisors (see below), whose sum is σ = 5541288192. Its totient is φ = 5540820852.

The previous prime is 5541054517. The next prime is 5541054551. The reversal of 5541054521 is 1254501455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1254501455 = 5 ⋅250900291.

It is a cyclic number.

It is not a de Polignac number, because 5541054521 - 2² = 5541054517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5541054551) 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, 76661 + ... + 130226.

It is an arithmetic number, because the mean of its divisors is an integer number (1385322048).

Almost surely, 2^5541054521 is an apocalyptic number.

It is an amenable number.

5541054521 is a deficient number, since it is larger than the sum of its proper divisors (233671).

5541054521 is a wasteful number, since it uses less digits than its factorization.

5541054521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233670.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 5541054521 is about 74438.2597929318. The cubic root of 5541054521 is about 1769.5553077584. Note that the first 3 decimals are identical.

Adding to 5541054521 its reverse (1254501455), we get a palindrome (6795555976).

The spelling of 5541054521 in words is "five billion, five hundred forty-one million, fifty-four thousand, five hundred twenty-one".