50555555555 has 16 divisors (see below), whose sum is σ = 61413113088. Its totient is φ = 39948720000.

The previous prime is 50555555549. The next prime is 50555555569. The reversal of 50555555555 is 55555555505.

It is not a de Polignac number, because 50555555555 - 2¹⁶ = 50555490019 is a prime.

It is a super-3 number, since 3×50555555555³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

50555555555 is a modest number, since divided by 555555 gives 50555 as remainder.

It is an unprimeable number.

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, 93710 + ... + 331500.

It is an arithmetic number, because the mean of its divisors is an integer number (3838319568).

Almost surely, 2^50555555555 is an apocalyptic number.

50555555555 is a deficient number, since it is larger than the sum of its proper divisors (10857557533).

50555555555 is a wasteful number, since it uses less digits than its factorization.

50555555555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238318.

The product of its (nonzero) digits is 9765625, while the sum is 50.

Subtracting from 50555555555 its sum of digits (50), we obtain a palindrome (50555555505).

The spelling of 50555555555 in words is "fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-five".