53871009420850 has 24 divisors (see below), whose sum is σ = 100201199681520. Its totient is φ = 21548162443920.

The previous prime is 53871009420817. The next prime is 53871009420869. The reversal of 53871009420850 is 5802490017835.

It is a happy number.

53871009420850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1489980 + ... + 10486279.

It is an arithmetic number, because the mean of its divisors is an integer number (4175049986730).

Almost surely, 2^{53871009420850} is an apocalyptic number.

53871009420850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53871009420850 is a deficient number, since it is larger than the sum of its proper divisors (46330190260670).

53871009420850 is a wasteful number, since it uses less digits than its factorization.

53871009420850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12066234 (or 12066229 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 53871009420850 in words is "fifty-three trillion, eight hundred seventy-one billion, nine million, four hundred twenty thousand, eight hundred fifty".