505522350 has 48 divisors (see below), whose sum is σ = 1392998640. Its totient is φ = 134805600.

The previous prime is 505522331. The next prime is 505522351. The reversal of 505522350 is 53225505.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505522351) 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, 185881 + ... + 188580.

It is an arithmetic number, because the mean of its divisors is an integer number (29020805).

Almost surely, 2^505522350 is an apocalyptic number.

505522350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505522350 is an abundant number, since it is smaller than the sum of its proper divisors (887476290).

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

505522350 is a wasteful number, since it uses less digits than its factorization.

505522350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374482 (or 374471 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 505522350 is about 22483.8241854005. The cubic root of 505522350 is about 796.6118951469.

Adding to 505522350 its reverse (53225505), we get a palindrome (558747855).

The spelling of 505522350 in words is "five hundred five million, five hundred twenty-two thousand, three hundred fifty".