55555500049 has 16 divisors (see below), whose sum is σ = 63787046400. Its totient is φ = 47397901824.

The previous prime is 55555500023. The next prime is 55555500059. The reversal of 55555500049 is 94000555555.

It is not a de Polignac number, because 55555500049 - 2¹⁹ = 55554975761 is a prime.

It is a super-3 number, since 3×55555500049³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55555499978 and 55555500014.

It is not an unprimeable number, because it can be changed into a prime (55555500019) 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 15 ways as a sum of consecutive naturals, for example, 4371897 + ... + 4384585.

It is an arithmetic number, because the mean of its divisors is an integer number (3986690400).

Almost surely, 2^55555500049 is an apocalyptic number.

It is an amenable number.

55555500049 is a deficient number, since it is larger than the sum of its proper divisors (8231546351).

55555500049 is a wasteful number, since it uses less digits than its factorization.

55555500049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15552.

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 55555500049 in words is "fifty-five billion, five hundred fifty-five million, five hundred thousand, forty-nine".