505552069 has 32 divisors (see below), whose sum is σ = 603542016. Its totient is φ = 418283520.

The previous prime is 505552063. The next prime is 505552081. The reversal of 505552069 is 960255505.

It is a cyclic number.

It is not a de Polignac number, because 505552069 - 2⁷ = 505551941 is a prime.

It is a super-2 number, since 2×505552069² = 511165788940361522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505552063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 852237 + ... + 852829.

It is an arithmetic number, because the mean of its divisors is an integer number (18860688).

Almost surely, 2^505552069 is an apocalyptic number.

It is an amenable number.

505552069 is a deficient number, since it is larger than the sum of its proper divisors (97989947).

505552069 is a wasteful number, since it uses less digits than its factorization.

505552069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 67500, while the sum is 37.

The square root of 505552069 is about 22484.4850730454. The cubic root of 505552069 is about 796.6275054327.

The spelling of 505552069 in words is "five hundred five million, five hundred fifty-two thousand, sixty-nine".