5520055557 has 4 divisors (see below), whose sum is σ = 7360074080. Its totient is φ = 3680037036.

The previous prime is 5520055553. The next prime is 5520055561. The reversal of 5520055557 is 7555500255.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (5520055553) and next prime (5520055561).

It is not a de Polignac number, because 5520055557 - 2² = 5520055553 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 (5520055553) 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, 920009257 + ... + 920009262.

It is an arithmetic number, because the mean of its divisors is an integer number (1840018520).

Almost surely, 2^5520055557 is an apocalyptic number.

It is an amenable number.

5520055557 is a deficient number, since it is larger than the sum of its proper divisors (1840018523).

5520055557 is a wasteful number, since it uses less digits than its factorization.

5520055557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840018522.

The product of its (nonzero) digits is 218750, while the sum is 39.

The square root of 5520055557 is about 74297.0763691277. The cubic root of 5520055557 is about 1767.3171135978.

The spelling of 5520055557 in words is "five billion, five hundred twenty million, fifty-five thousand, five hundred fifty-seven".