54752191 has 4 divisors (see below), whose sum is σ = 58963912. Its totient is φ = 50540472.

The previous prime is 54752171. The next prime is 54752207. The reversal of 54752191 is 19125745.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54752191 - 2¹³ = 54743999 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 (54752111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105841 + ... + 2105866.

It is an arithmetic number, because the mean of its divisors is an integer number (14740978).

Almost surely, 2^54752191 is an apocalyptic number.

54752191 is a deficient number, since it is larger than the sum of its proper divisors (4211721).

54752191 is a wasteful number, since it uses less digits than its factorization.

54752191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211720.

The product of its digits is 12600, while the sum is 34.

The square root of 54752191 is about 7399.4723460528. The cubic root of 54752191 is about 379.7232310619.

The spelling of 54752191 in words is "fifty-four million, seven hundred fifty-two thousand, one hundred ninety-one".