53861419164 has 144 divisors (see below), whose sum is σ = 153154713600. Its totient is φ = 14669875584.

The previous prime is 53861419111. The next prime is 53861419231. The reversal of 53861419164 is 46191416835.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1327117 + ... + 1367099.

It is an arithmetic number, because the mean of its divisors is an integer number (1063574400).

Almost surely, 2^53861419164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53861419164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76577356800).

53861419164 is an abundant number, since it is smaller than the sum of its proper divisors (99293294436).

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

53861419164 is a wasteful number, since it uses less digits than its factorization.

53861419164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40112 (or 40103 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 53861419164 in words is "fifty-three billion, eight hundred sixty-one million, four hundred nineteen thousand, one hundred sixty-four".