53446451280 has 160 divisors (see below), whose sum is σ = 174836726400. Its totient is φ = 13468778496.

The previous prime is 53446451269. The next prime is 53446451281. The reversal of 53446451280 is 8215464435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53446451281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1850712 + ... + 1879368.

It is an arithmetic number, because the mean of its divisors is an integer number (1092729540).

Almost surely, 2^53446451280 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 53446451280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87418363200).

53446451280 is an abundant number, since it is smaller than the sum of its proper divisors (121390275120).

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

53446451280 is a wasteful number, since it uses less digits than its factorization.

53446451280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29101 (or 29095 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 53446451280 in words is "fifty-three billion, four hundred forty-six million, four hundred fifty-one thousand, two hundred eighty".