505043350 has 48 divisors (see below), whose sum is σ = 1076145408. Its totient is φ = 172743840.

The previous prime is 505043347. The next prime is 505043353. The reversal of 505043350 is 53340505.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (505043347) and next prime (505043353).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505043353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168969 + ... + 171931.

It is an arithmetic number, because the mean of its divisors is an integer number (22419696).

Almost surely, 2^505043350 is an apocalyptic number.

505043350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505043350 is an abundant number, since it is smaller than the sum of its proper divisors (571102058).

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

505043350 is a wasteful number, since it uses less digits than its factorization.

505043350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469 (or 3464 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 505043350 is about 22473.1695583867. The cubic root of 505043350 is about 796.3602098156.

Adding to 505043350 its reverse (53340505), we get a palindrome (558383855).

It can be divided in two parts, 5050 and 43350, that added together give a square (48400 = 220²).

The spelling of 505043350 in words is "five hundred five million, forty-three thousand, three hundred fifty".