54366591 has 8 divisors (see below), whose sum is σ = 74827264. Its totient is φ = 35075160.

The previous prime is 54366569. The next prime is 54366643. The reversal of 54366591 is 19566345.

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

It is not a de Polignac number, because 54366591 - 2¹⁰ = 54365567 is a prime.

It is a super-2 number, since 2×54366591² = 5911452433922562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54366511) 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 7 ways as a sum of consecutive naturals, for example, 292201 + ... + 292386.

It is an arithmetic number, because the mean of its divisors is an integer number (9353408).

Almost surely, 2^54366591 is an apocalyptic number.

54366591 is a deficient number, since it is larger than the sum of its proper divisors (20460673).

54366591 is a wasteful number, since it uses less digits than its factorization.

54366591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584621.

The product of its digits is 97200, while the sum is 39.

The square root of 54366591 is about 7373.3703962299. The cubic root of 54366591 is about 378.8297121162.

The spelling of 54366591 in words is "fifty-four million, three hundred sixty-six thousand, five hundred ninety-one".