50555550505 has 16 divisors (see below), whose sum is σ = 63380005200. Its totient is φ = 38663161600.

The previous prime is 50555550469. The next prime is 50555550533. The reversal of 50555550505 is 50505555505.

It can be written as a sum of positive squares in 8 ways, for example, as 3766399641 + 46789150864 = 61371^2 + 216308^2 .

It is not a de Polignac number, because 50555550505 - 2¹⁹ = 50555026217 is a prime.

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, 1711390 + ... + 1740679.

It is an arithmetic number, because the mean of its divisors is an integer number (3961250325).

Almost surely, 2^50555550505 is an apocalyptic number.

It is an amenable number.

50555550505 is a deficient number, since it is larger than the sum of its proper divisors (12824454695).

50555550505 is a wasteful number, since it uses less digits than its factorization.

50555550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452204.

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

Subtracting from 50555550505 its reverse (50505555505), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 50555550505 in words is "fifty billion, five hundred fifty-five million, five hundred fifty thousand, five hundred five".