5540055959 has 4 divisors (see below), whose sum is σ = 5540749104. Its totient is φ = 5539362816.

The previous prime is 5540055943. The next prime is 5540055979. The reversal of 5540055959 is 9595500455.

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 5540055959 - 2⁴ = 5540055943 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 (5540055979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334442 + ... + 350615.

It is an arithmetic number, because the mean of its divisors is an integer number (1385187276).

Almost surely, 2^5540055959 is an apocalyptic number.

5540055959 is a deficient number, since it is larger than the sum of its proper divisors (693145).

5540055959 is an equidigital number, since it uses as much as digits as its factorization.

5540055959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693144.

The product of its (nonzero) digits is 1012500, while the sum is 47.

The square root of 5540055959 is about 74431.5521737925. The cubic root of 5540055959 is about 1769.4490032733.

The spelling of 5540055959 in words is "five billion, five hundred forty million, fifty-five thousand, nine hundred fifty-nine".