505544051650 has 48 divisors (see below), whose sum is σ = 1035951337728. Its totient is φ = 182014040000.

The previous prime is 505544051603. The next prime is 505544051671. The reversal of 505544051650 is 56150445505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4494802 + ... + 4605901.

It is an arithmetic number, because the mean of its divisors is an integer number (21582319536).

Almost surely, 2^505544051650 is an apocalyptic number.

505544051650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505544051650 is an abundant number, since it is smaller than the sum of its proper divisors (530407286078).

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

505544051650 is a wasteful number, since it uses less digits than its factorization.

505544051650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100827 (or 9100822 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 505544051650 in words is "five hundred five billion, five hundred forty-four million, fifty-one thousand, six hundred fifty".