54166317039 has 12 divisors (see below), whose sum is σ = 79312020736. Its totient is φ = 35616208032.

The previous prime is 54166317001. The next prime is 54166317041. The reversal of 54166317039 is 93071366145.

It is a happy number.

54166317039 is a `hidden beast` number, since 5 + 4 + 1 + 6 + 631 + 7 + 0 + 3 + 9 = 666.

It is not a de Polignac number, because 54166317039 - 2⁹ = 54166316527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54166316985 and 54166317003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54166317839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41221807 + ... + 41223120.

Almost surely, 2^54166317039 is an apocalyptic number.

54166317039 is a deficient number, since it is larger than the sum of its proper divisors (25145703697).

54166317039 is a wasteful number, since it uses less digits than its factorization.

54166317039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82445006 (or 82445003 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 54166317039 in words is "fifty-four billion, one hundred sixty-six million, three hundred seventeen thousand, thirty-nine".