505168052 has 24 divisors (see below), whose sum is σ = 936842760. Its totient is φ = 237923840.

The previous prime is 505168049. The next prime is 505168057. The reversal of 505168052 is 250861505.

It can be written as a sum of positive squares in 4 ways, for example, as 3587236 + 501580816 = 1894^2 + 22396^2 .

It is a super-2 number, since 2×505168052² = 510389521522949408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505168057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48353 + ... + 57864.

It is an arithmetic number, because the mean of its divisors is an integer number (39035115).

Almost surely, 2^505168052 is an apocalyptic number.

It is an amenable number.

505168052 is a deficient number, since it is larger than the sum of its proper divisors (431674708).

505168052 is a wasteful number, since it uses less digits than its factorization.

505168052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106291 (or 106289 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 505168052 is about 22475.9438511489. The cubic root of 505168052 is about 796.4257484395.

The spelling of 505168052 in words is "five hundred five million, one hundred sixty-eight thousand, fifty-two".