54365249 has 4 divisors (see below), whose sum is σ = 55020336. Its totient is φ = 53710164.

The previous prime is 54365243. The next prime is 54365257. The reversal of 54365249 is 94256345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94256345 = 5 ⋅18851269.

It is a cyclic number.

It is not a de Polignac number, because 54365249 - 2²⁰ = 53316673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54365243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327419 + ... + 327584.

It is an arithmetic number, because the mean of its divisors is an integer number (13755084).

Almost surely, 2^54365249 is an apocalyptic number.

It is an amenable number.

54365249 is a deficient number, since it is larger than the sum of its proper divisors (655087).

54365249 is an equidigital number, since it uses as much as digits as its factorization.

54365249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655086.

The product of its digits is 129600, while the sum is 38.

The square root of 54365249 is about 7373.2793925091. The cubic root of 54365249 is about 378.8265950447.

The spelling of 54365249 in words is "fifty-four million, three hundred sixty-five thousand, two hundred forty-nine".