54688191 has 8 divisors (see below), whose sum is σ = 72951984. Its totient is φ = 36441600.

The previous prime is 54688189. The next prime is 54688199. The reversal of 54688191 is 19188645.

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

It is not a de Polignac number, because 54688191 - 2¹ = 54688189 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54688199) 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, 8991 + ... + 13791.

It is an arithmetic number, because the mean of its divisors is an integer number (9118998).

Almost surely, 2^54688191 is an apocalyptic number.

54688191 is a deficient number, since it is larger than the sum of its proper divisors (18263793).

54688191 is a wasteful number, since it uses less digits than its factorization.

54688191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601.

The product of its digits is 69120, while the sum is 42.

The square root of 54688191 is about 7395.1464488541. The cubic root of 54688191 is about 379.5752201695.

The spelling of 54688191 in words is "fifty-four million, six hundred eighty-eight thousand, one hundred ninety-one".