53440142176000 has 144 divisors (see below), whose sum is σ = 133757020339488. Its totient is φ = 21274745856000.

The previous prime is 53440142175997. The next prime is 53440142176061. The reversal of 53440142176000 is 67124104435.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2794644 + ... + 10709356.

It is an arithmetic number, because the mean of its divisors is an integer number (928868196802).

Almost surely, 2^{53440142176000} is an apocalyptic number.

53440142176000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53440142176000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66878510169744).

53440142176000 is an abundant number, since it is smaller than the sum of its proper divisors (80316878163488).

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

53440142176000 is an equidigital number, since it uses as much as digits as its factorization.

53440142176000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914955 (or 7914931 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 53440142176000 in words is "fifty-three trillion, four hundred forty billion, one hundred forty-two million, one hundred seventy-six thousand".