55555530255 has 24 divisors (see below), whose sum is σ = 97249688640. Its totient is φ = 29336251200.

The previous prime is 55555530223. The next prime is 55555530257. The reversal of 55555530255 is 55203555555.

It is not a de Polignac number, because 55555530255 - 2⁵ = 55555530223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55555530255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555530257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6107175 + ... + 6116264.

It is an arithmetic number, because the mean of its divisors is an integer number (4052070360).

Almost surely, 2^55555530255 is an apocalyptic number.

55555530255 is a deficient number, since it is larger than the sum of its proper divisors (41694158385).

55555530255 is a wasteful number, since it uses less digits than its factorization.

55555530255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223551 (or 12223548 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 45.

The spelling of 55555530255 in words is "fifty-five billion, five hundred fifty-five million, five hundred thirty thousand, two hundred fifty-five".