505150172 has 48 divisors (see below), whose sum is σ = 962357760. Its totient is φ = 231098112.

The previous prime is 505150141. The next prime is 505150181. The reversal of 505150172 is 271051505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571643 + ... + 572525.

It is an arithmetic number, because the mean of its divisors is an integer number (20049120).

Almost surely, 2^505150172 is an apocalyptic number.

It is an amenable number.

505150172 is a deficient number, since it is larger than the sum of its proper divisors (457207588).

505150172 is a wasteful number, since it uses less digits than its factorization.

505150172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 505150172 is about 22475.5460890275. The cubic root of 505150172 is about 796.4163520546.

The spelling of 505150172 in words is "five hundred five million, one hundred fifty thousand, one hundred seventy-two".