54391313 has 8 divisors (see below), whose sum is σ = 58151808. Its totient is φ = 50693184.

The previous prime is 54391273. The next prime is 54391339. The reversal of 54391313 is 31319345.

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

It is not a de Polignac number, because 54391313 - 2¹⁰ = 54390289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54391213) 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, 13781 + ... + 17282.

It is an arithmetic number, because the mean of its divisors is an integer number (7268976).

Almost surely, 2^54391313 is an apocalyptic number.

It is an amenable number.

54391313 is a deficient number, since it is larger than the sum of its proper divisors (3760495).

54391313 is a wasteful number, since it uses less digits than its factorization.

54391313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31183.

The product of its digits is 4860, while the sum is 29.

The square root of 54391313 is about 7375.0466439203. The cubic root of 54391313 is about 378.8871248811.

The spelling of 54391313 in words is "fifty-four million, three hundred ninety-one thousand, three hundred thirteen".