505050105 has 48 divisors (see below), whose sum is σ = 943263360. Its totient is φ = 230082048.

The previous prime is 505050079. The next prime is 505050113. The reversal of 505050105 is 501050505.

It is not a de Polignac number, because 505050105 - 2⁷ = 505049977 is a prime.

It is a super-2 number, since 2×505050105² = 510151217121022050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 246676 + ... + 248714.

It is an arithmetic number, because the mean of its divisors is an integer number (19651320).

Almost surely, 2^505050105 is an apocalyptic number.

It is an amenable number.

505050105 is a deficient number, since it is larger than the sum of its proper divisors (438213255).

505050105 is a wasteful number, since it uses less digits than its factorization.

505050105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 505050105 is about 22473.3198482111. The cubic root of 505050105 is about 796.3637602628.

It can be divided in two parts, 5050 and 50105, that added together give a palindrome (55155).

The spelling of 505050105 in words is "five hundred five million, fifty thousand, one hundred five".