55005550555 has 8 divisors (see below), whose sum is σ = 66149226432. Its totient is φ = 43909396608.

The previous prime is 55005550547. The next prime is 55005550573. The reversal of 55005550555 is 55505550055.

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 55005550555 - 2³ = 55005550547 is a prime.

It is a super-2 number, since 2×55005550555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11877934 + ... + 11882563.

It is an arithmetic number, because the mean of its divisors is an integer number (8268653304).

Almost surely, 2^55005550555 is an apocalyptic number.

55005550555 is a deficient number, since it is larger than the sum of its proper divisors (11143675877).

55005550555 is a wasteful number, since it uses less digits than its factorization.

55005550555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23760965.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55005550555 in words is "fifty-five billion, five million, five hundred fifty thousand, five hundred fifty-five".