54188447039 has 4 divisors (see below), whose sum is σ = 54188912640. Its totient is φ = 54187981440.

The previous prime is 54188447021. The next prime is 54188447041. The reversal of 54188447039 is 93074488145.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54188447039 - 2⁸ = 54188446783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54188447009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112322 + ... + 347840.

It is an arithmetic number, because the mean of its divisors is an integer number (13547228160).

Almost surely, 2^54188447039 is an apocalyptic number.

54188447039 is a deficient number, since it is larger than the sum of its proper divisors (465601).

54188447039 is a wasteful number, since it uses less digits than its factorization.

54188447039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465600.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 54188447039 in words is "fifty-four billion, one hundred eighty-eight million, four hundred forty-seven thousand, thirty-nine".