54240313 has 4 divisors (see below), whose sum is σ = 54323280. Its totient is φ = 54157348.

The previous prime is 54240311. The next prime is 54240317. The reversal of 54240313 is 31304245.

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.

It is a cyclic number.

It is not a de Polignac number, because 54240313 - 2¹ = 54240311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54240311) 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, 40495 + ... + 41812.

It is an arithmetic number, because the mean of its divisors is an integer number (13580820).

Almost surely, 2^54240313 is an apocalyptic number.

It is an amenable number.

54240313 is a deficient number, since it is larger than the sum of its proper divisors (82967).

54240313 is an equidigital number, since it uses as much as digits as its factorization.

54240313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82966.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 54240313 is about 7364.8023055612. The cubic root of 54240313 is about 378.5361804745.

Adding to 54240313 its reverse (31304245), we get a palindrome (85544558).

The spelling of 54240313 in words is "fifty-four million, two hundred forty thousand, three hundred thirteen".