54121142445272 has 256 divisors, whose sum is σ = 120136953600000. Its totient is φ = 22846022244864.

The previous prime is 54121142445263. The next prime is 54121142445283. The reversal of 54121142445272 is 27254424112145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49516140758 + ... + 49516141850.

It is an arithmetic number, because the mean of its divisors is an integer number (469284975000).

Almost surely, 2^{54121142445272} 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 54121142445272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60068476800000).

54121142445272 is an abundant number, since it is smaller than the sum of its proper divisors (66015811154728).

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

54121142445272 is a wasteful number, since it uses less digits than its factorization.

54121142445272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175 (or 2157 counting only the distinct ones).

The product of its digits is 716800, while the sum is 44.

The spelling of 54121142445272 in words is "fifty-four trillion, one hundred twenty-one billion, one hundred forty-two million, four hundred forty-five thousand, two hundred seventy-two".