501100000050 has 48 divisors (see below), whose sum is σ = 1338322466880. Its totient is φ = 123347691840.

The previous prime is 501100000033. The next prime is 501100000073. The reversal of 501100000050 is 50000001105.

It is a super-2 number, since 2×501100000050² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501099999981 and 501100000035.

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, 128485230 + ... + 128489129.

It is an arithmetic number, because the mean of its divisors is an integer number (27881718060).

Almost surely, 2^501100000050 is an apocalyptic number.

501100000050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

501100000050 is an abundant number, since it is smaller than the sum of its proper divisors (837222466830).

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

501100000050 is a wasteful number, since it uses less digits than its factorization.

501100000050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256974387 (or 256974382 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

Adding to 501100000050 its reverse (50000001105), we get a palindrome (551100001155).

The spelling of 501100000050 in words is "five hundred one billion, one hundred million, fifty", and thus it is an aban number.