505550550003 has 16 divisors (see below), whose sum is σ = 674727290496. Its totient is φ = 336703864640.

The previous prime is 505550549981. The next prime is 505550550013. The reversal of 505550550003 is 300055055505.

It is a cyclic number.

It is not a de Polignac number, because 505550550003 - 2⁵ = 505550549971 is a prime.

It is a super-4 number, since 4×505550550003⁴ (a number of 48 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (505550550013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26013376 + ... + 26032802.

It is an arithmetic number, because the mean of its divisors is an integer number (42170455656).

Almost surely, 2^505550550003 is an apocalyptic number.

505550550003 is a deficient number, since it is larger than the sum of its proper divisors (169176740493).

505550550003 is a wasteful number, since it uses less digits than its factorization.

505550550003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27474.

The product of its (nonzero) digits is 46875, while the sum is 33.

The spelling of 505550550003 in words is "five hundred five billion, five hundred fifty million, five hundred fifty thousand, three".