505550105 has 8 divisors (see below), whose sum is σ = 607823232. Its totient is φ = 403664688.

The previous prime is 505550099. The next prime is 505550153. The reversal of 505550105 is 501055505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505550105 is a prime.

It is a super-2 number, since 2×505550105² = 511161817331022050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94049 + ... + 99278.

It is an arithmetic number, because the mean of its divisors is an integer number (75977904).

Almost surely, 2^505550105 is an apocalyptic number.

It is an amenable number.

505550105 is a deficient number, since it is larger than the sum of its proper divisors (102273127).

505550105 is a wasteful number, since it uses less digits than its factorization.

505550105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193855.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 505550105 is about 22484.4413984426. The cubic root of 505550105 is about 796.6264738354.

The spelling of 505550105 in words is "five hundred five million, five hundred fifty thousand, one hundred five".