54145565982312 has 128 divisors (see below), whose sum is σ = 162846475315200. Its totient is φ = 14655702567168.

The previous prime is 54145565982271. The next prime is 54145565982383. The reversal of 54145565982312 is 21328956554145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288887653 + ... + 289075019.

It is an arithmetic number, because the mean of its divisors is an integer number (1272238088400).

Almost surely, 2^{54145565982312} is an apocalyptic number.

It is an amenable number.

54145565982312 is an abundant number, since it is smaller than the sum of its proper divisors (108700909332888).

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

54145565982312 is a wasteful number, since it uses less digits than its factorization.

54145565982312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277935 (or 277931 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 60.

The spelling of 54145565982312 in words is "fifty-four trillion, one hundred forty-five billion, five hundred sixty-five million, nine hundred eighty-two thousand, three hundred twelve".