54618180197 has 32 divisors (see below), whose sum is σ = 66320793600. Its totient is φ = 43937728128.

The previous prime is 54618180187. The next prime is 54618180203. The reversal of 54618180197 is 79108181645.

It is a happy number.

It is not a de Polignac number, because 54618180197 - 2⁴ = 54618180181 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 (54618180187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13899329 + ... + 13903257.

It is an arithmetic number, because the mean of its divisors is an integer number (2072524800).

Almost surely, 2^54618180197 is an apocalyptic number.

It is an amenable number.

54618180197 is a deficient number, since it is larger than the sum of its proper divisors (11702613403).

54618180197 is a wasteful number, since it uses less digits than its factorization.

54618180197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 54618180197 in words is "fifty-four billion, six hundred eighteen million, one hundred eighty thousand, one hundred ninety-seven".