5541254321 has 4 divisors (see below), whose sum is σ = 5581119600. Its totient is φ = 5501389044.

The previous prime is 5541254317. The next prime is 5541254339. The reversal of 5541254321 is 1234521455.

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.

It is a cyclic number.

It is not a de Polignac number, because 5541254321 - 2² = 5541254317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5541254311) 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, 19932431 + ... + 19932708.

It is an arithmetic number, because the mean of its divisors is an integer number (1395279900).

Almost surely, 2^5541254321 is an apocalyptic number.

It is an amenable number.

5541254321 is a deficient number, since it is larger than the sum of its proper divisors (39865279).

5541254321 is a wasteful number, since it uses less digits than its factorization.

5541254321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39865278.

The product of its digits is 24000, while the sum is 32.

The square root of 5541254321 is about 74439.6018326267. The cubic root of 5541254321 is about 1769.5765764477.

Adding to 5541254321 its reverse (1234521455), we get a palindrome (6775775776).

The spelling of 5541254321 in words is "five billion, five hundred forty-one million, two hundred fifty-four thousand, three hundred twenty-one".