505121050 has 24 divisors (see below), whose sum is σ = 1073743776. Its totient is φ = 173184240.

The previous prime is 505121047. The next prime is 505121063. The reversal of 505121050 is 50121505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721252 + ... + 721951.

It is an arithmetic number, because the mean of its divisors is an integer number (44739324).

Almost surely, 2^505121050 is an apocalyptic number.

505121050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505121050 is an abundant number, since it is smaller than the sum of its proper divisors (568622726).

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

505121050 is a wasteful number, since it uses less digits than its factorization.

505121050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443222 (or 1443217 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 505121050 is about 22474.8982200143. The cubic root of 505121050 is about 796.4010472443.

Adding to 505121050 its reverse (50121505), we get a palindrome (555242555).

The spelling of 505121050 in words is "five hundred five million, one hundred twenty-one thousand, fifty".