55555000055 has 8 divisors (see below), whose sum is σ = 69564521952. Its totient is φ = 42511652128.

The previous prime is 55555000051. The next prime is 55555000079. The reversal of 55555000055 is 55000055555.

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 55555000055 - 2² = 55555000051 is a prime.

It is a super-2 number, since 2×55555000055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 55554999979 and 55555000024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555000051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241543364 + ... + 241543593.

It is an arithmetic number, because the mean of its divisors is an integer number (8695565244).

Almost surely, 2^55555000055 is an apocalyptic number.

55555000055 is a deficient number, since it is larger than the sum of its proper divisors (14009521897).

55555000055 is a wasteful number, since it uses less digits than its factorization.

55555000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483086985.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55555000055 in words is "fifty-five billion, five hundred fifty-five million, fifty-five", and thus it is an aban number.