54145519012 has 48 divisors (see below), whose sum is σ = 102863779200. Its totient is φ = 24789657600.

The previous prime is 54145518979. The next prime is 54145519049. The reversal of 54145519012 is 21091554145.

It is a super-2 number, since 2×54145519012² (a number of 22 digits) contains 22 as substring.

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, 11569689 + ... + 11574367.

It is an arithmetic number, because the mean of its divisors is an integer number (2142995400).

Almost surely, 2^54145519012 is an apocalyptic number.

54145519012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54145519012 is a deficient number, since it is larger than the sum of its proper divisors (48718260188).

54145519012 is a wasteful number, since it uses less digits than its factorization.

54145519012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436 (or 6434 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 54145519012 in words is "fifty-four billion, one hundred forty-five million, five hundred nineteen thousand, twelve".