505503150 has 48 divisors (see below), whose sum is σ = 1274918400. Its totient is φ = 132513760.

The previous prime is 505503149. The next prime is 505503161. The reversal of 505503150 is 51305505.

It is a self number, because there is not a number n which added to its sum of digits gives 505503150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19710 + ... + 37409.

It is an arithmetic number, because the mean of its divisors is an integer number (26560800).

Almost surely, 2^505503150 is an apocalyptic number.

505503150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505503150 is an abundant number, since it is smaller than the sum of its proper divisors (769415250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505503150 is a wasteful number, since it uses less digits than its factorization.

505503150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57193 (or 57188 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 505503150 is about 22483.3972077175. The cubic root of 505503150 is about 796.6018097755.

Adding to 505503150 its reverse (51305505), we get a palindrome (556808655).

The spelling of 505503150 in words is "five hundred five million, five hundred three thousand, one hundred fifty".