54066278387 has 24 divisors (see below), whose sum is σ = 60099550560. Its totient is φ = 48597296000.

The previous prime is 54066278369. The next prime is 54066278429. The reversal of 54066278387 is 78387266045.

It is not a de Polignac number, because 54066278387 - 2⁶ = 54066278323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54066278087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10250783 + ... + 10256055.

It is an arithmetic number, because the mean of its divisors is an integer number (2504147940).

Almost surely, 2^54066278387 is an apocalyptic number.

54066278387 is a deficient number, since it is larger than the sum of its proper divisors (6033272173).

54066278387 is a wasteful number, since it uses less digits than its factorization.

54066278387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235 (or 6224 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 54066278387 in words is "fifty-four billion, sixty-six million, two hundred seventy-eight thousand, three hundred eighty-seven".