505500550038 has 32 divisors (see below), whose sum is σ = 1225455880320. Its totient is φ = 153181984680.

The previous prime is 505500550019. The next prime is 505500550081. The reversal of 505500550038 is 830055005505.

505500550038 is a `hidden beast` number, since 50 + 5 + 50 + 0 + 550 + 0 + 3 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505500549984 and 505500550011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425504920 + ... + 425506107.

It is an arithmetic number, because the mean of its divisors is an integer number (38295496260).

Almost surely, 2^505500550038 is an apocalyptic number.

505500550038 is an abundant number, since it is smaller than the sum of its proper divisors (719955330282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505500550038 is a wasteful number, since it uses less digits than its factorization.

505500550038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851011049 (or 851011043 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 505500550038 in words is "five hundred five billion, five hundred million, five hundred fifty thousand, thirty-eight".