505410105550 has 48 divisors (see below), whose sum is σ = 1096283181600. Its totient is φ = 173283458880.

The previous prime is 505410105533. The next prime is 505410105631. The reversal of 505410105550 is 55501014505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14717839 + ... + 14752138.

It is an arithmetic number, because the mean of its divisors is an integer number (22839232950).

Almost surely, 2^505410105550 is an apocalyptic number.

505410105550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505410105550 is an abundant number, since it is smaller than the sum of its proper divisors (590873076050).

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

505410105550 is a wasteful number, since it uses less digits than its factorization.

505410105550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29470010 (or 29469991 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 505410105550 in words is "five hundred five billion, four hundred ten million, one hundred five thousand, five hundred fifty".