5543541551 has 4 divisors (see below), whose sum is σ = 5722365504. Its totient is φ = 5364717600.

The previous prime is 5543541547. The next prime is 5543541569. The reversal of 5543541551 is 1551453455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5543541551 - 2² = 5543541547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543541851) 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, 89411930 + ... + 89411991.

It is an arithmetic number, because the mean of its divisors is an integer number (1430591376).

Almost surely, 2^5543541551 is an apocalyptic number.

5543541551 is a deficient number, since it is larger than the sum of its proper divisors (178823953).

5543541551 is a wasteful number, since it uses less digits than its factorization.

5543541551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178823952.

The product of its digits is 150000, while the sum is 38.

The square root of 5543541551 is about 74454.9632395316. The cubic root of 5543541551 is about 1769.8200154267.

The spelling of 5543541551 in words is "five billion, five hundred forty-three million, five hundred forty-one thousand, five hundred fifty-one".