53478374448660 has 576 divisors, whose sum is σ = 178856662892544. Its totient is φ = 11694670848000.

The previous prime is 53478374448623. The next prime is 53478374448661. The reversal of 53478374448660 is 6684447387435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53478374448661) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 19092599260 + ... + 19092602060.

It is an arithmetic number, because the mean of its divisors is an integer number (310515039744).

Almost surely, 2^{53478374448660} 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 53478374448660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89428331446272).

53478374448660 is an abundant number, since it is smaller than the sum of its proper divisors (125378288443884).

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

53478374448660 is a wasteful number, since it uses less digits than its factorization.

53478374448660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3321 counting only the distinct ones).

The product of its (nonzero) digits is 1300561920, while the sum is 69.

The spelling of 53478374448660 in words is "fifty-three trillion, four hundred seventy-eight billion, three hundred seventy-four million, four hundred forty-eight thousand, six hundred sixty".