54215342146 has 32 divisors (see below), whose sum is σ = 96855206400. Its totient is φ = 22740768288.

The previous prime is 54215342131. The next prime is 54215342171. The reversal of 54215342146 is 64124351245.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808515 + ... + 872998.

It is an arithmetic number, because the mean of its divisors is an integer number (3026725200).

Almost surely, 2^54215342146 is an apocalyptic number.

54215342146 is a deficient number, since it is larger than the sum of its proper divisors (42639864254).

54215342146 is a wasteful number, since it uses less digits than its factorization.

54215342146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681583 (or 1681569 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

Subtracting 54215342146 from its reverse (64124351245), we obtain a palindrome (9909009099).

The spelling of 54215342146 in words is "fifty-four billion, two hundred fifteen million, three hundred forty-two thousand, one hundred forty-six".