50505050050550 has 12 divisors (see below), whose sum is σ = 93939393094116. Its totient is φ = 20202020020200.

The previous prime is 50505050050549. The next prime is 50505050050571. The reversal of 50505050050550 is 5505005050505.

It is a self number, because there is not a number n which added to its sum of digits gives 50505050050550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505050500456 + ... + 505050500555.

It is an arithmetic number, because the mean of its divisors is an integer number (7828282757843).

Almost surely, 2^{50505050050550} is an apocalyptic number.

50505050050550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50505050050550 is a deficient number, since it is larger than the sum of its proper divisors (43434343043566).

50505050050550 is a wasteful number, since it uses less digits than its factorization.

50505050050550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010101001023 (or 1010101001018 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 50505050050550 in words is "fifty trillion, five hundred five billion, fifty million, fifty thousand, five hundred fifty".