5540987443 has 4 divisors (see below), whose sum is σ = 5553112600. Its totient is φ = 5528862288.

The previous prime is 5540987437. The next prime is 5540987453. The reversal of 5540987443 is 3447890455.

It is a happy number.

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 5540987443 - 2⁹ = 5540986931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5540987453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6061893 + ... + 6062806.

It is an arithmetic number, because the mean of its divisors is an integer number (1388278150).

Almost surely, 2^5540987443 is an apocalyptic number.

5540987443 is a deficient number, since it is larger than the sum of its proper divisors (12125157).

5540987443 is a wasteful number, since it uses less digits than its factorization.

5540987443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125156.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The square root of 5540987443 is about 74437.8092302561. The cubic root of 5540987443 is about 1769.5481671976.

The spelling of 5540987443 in words is "five billion, five hundred forty million, nine hundred eighty-seven thousand, four hundred forty-three".