50555006505 has 12 divisors (see below), whose sum is σ = 87628678020. Its totient is φ = 26962670112.

The previous prime is 50555006497. The next prime is 50555006531. The reversal of 50555006505 is 50560055505.

50555006505 is a `hidden beast` number, since 50 + 5 + 550 + 0 + 6 + 50 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8983058841 + 41571947664 = 94779^2 + 203892^2 .

It is not a de Polignac number, because 50555006505 - 2³ = 50555006497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50555006505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561722250 + ... + 561722339.

It is an arithmetic number, because the mean of its divisors is an integer number (7302389835).

Almost surely, 2^50555006505 is an apocalyptic number.

It is an amenable number.

50555006505 is a deficient number, since it is larger than the sum of its proper divisors (37073671515).

50555006505 is a wasteful number, since it uses less digits than its factorization.

50555006505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123444600 (or 1123444597 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 50555006505 in words is "fifty billion, five hundred fifty-five million, six thousand, five hundred five".