54868216236538 has 16 divisors (see below), whose sum is σ = 82442454998400. Its totient is φ = 27387424980000.

The previous prime is 54868216236479. The next prime is 54868216236569. The reversal of 54868216236538 is 83563261286845.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2713443 + ... + 10821238.

It is an arithmetic number, because the mean of its divisors is an integer number (5152653437400).

Almost surely, 2^{54868216236538} is an apocalyptic number.

54868216236538 is a deficient number, since it is larger than the sum of its proper divisors (27574238761862).

54868216236538 is a wasteful number, since it uses less digits than its factorization.

54868216236538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13538133.

The product of its digits is 398131200, while the sum is 67.

The spelling of 54868216236538 in words is "fifty-four trillion, eight hundred sixty-eight billion, two hundred sixteen million, two hundred thirty-six thousand, five hundred thirty-eight".