54538791 has 8 divisors (see below), whose sum is σ = 72754944. Its totient is φ = 36340920.

The previous prime is 54538789. The next prime is 54538829. The reversal of 54538791 is 19783545.

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

It is not a de Polignac number, because 54538791 - 2¹ = 54538789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54538711) 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, 5676 + ... + 11886.

It is an arithmetic number, because the mean of its divisors is an integer number (9094368).

Almost surely, 2^54538791 is an apocalyptic number.

54538791 is a deficient number, since it is larger than the sum of its proper divisors (18216153).

54538791 is a wasteful number, since it uses less digits than its factorization.

54538791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141.

The product of its digits is 151200, while the sum is 42.

The square root of 54538791 is about 7385.0383208214. The cubic root of 54538791 is about 379.2292572652.

The spelling of 54538791 in words is "fifty-four million, five hundred thirty-eight thousand, seven hundred ninety-one".