54658161791 has 8 divisors (see below), whose sum is σ = 57079935360. Its totient is φ = 52240165912.

The previous prime is 54658161769. The next prime is 54658161797. The reversal of 54658161791 is 19716185645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54658161791 is a prime.

It is a super-2 number, since 2×54658161791² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54658161797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914825 + ... + 972738.

It is an arithmetic number, because the mean of its divisors is an integer number (7134991920).

Almost surely, 2^54658161791 is an apocalyptic number.

54658161791 is a deficient number, since it is larger than the sum of its proper divisors (2421773569).

54658161791 is a wasteful number, since it uses less digits than its factorization.

54658161791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888845.

The product of its digits is 1814400, while the sum is 53.

The spelling of 54658161791 in words is "fifty-four billion, six hundred fifty-eight million, one hundred sixty-one thousand, seven hundred ninety-one".