55550005579 has 8 divisors (see below), whose sum is σ = 58819739760. Its totient is φ = 52280503296.

The previous prime is 55550005543. The next prime is 55550005583. The reversal of 55550005579 is 97550005555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55550005579 - 2¹⁷ = 55549874507 is a prime.

It is a super-2 number, since 2×55550005579² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55550015579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788212 + ... + 855790.

It is an arithmetic number, because the mean of its divisors is an integer number (7352467470).

Almost surely, 2^55550005579 is an apocalyptic number.

55550005579 is a deficient number, since it is larger than the sum of its proper divisors (3269734181).

55550005579 is a wasteful number, since it uses less digits than its factorization.

55550005579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115949.

The product of its (nonzero) digits is 984375, while the sum is 46.

The spelling of 55550005579 in words is "fifty-five billion, five hundred fifty million, five thousand, five hundred seventy-nine".