54001345 has 4 divisors (see below), whose sum is σ = 64801620. Its totient is φ = 43201072.

The previous prime is 54001313. The next prime is 54001351. The reversal of 54001345 is 54310045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54310045 = 5 ⋅10862009.

It can be written as a sum of positive squares in 2 ways, for example, as 5948721 + 48052624 = 2439^2 + 6932^2 .

It is a cyclic number.

It is not a de Polignac number, because 54001345 - 2⁵ = 54001313 is a prime.

It is a super-2 number, since 2×54001345² = 5832290523618050, which contains 22 as substring.

It is an unprimeable number.

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, 5400130 + ... + 5400139.

It is an arithmetic number, because the mean of its divisors is an integer number (16200405).

Almost surely, 2^54001345 is an apocalyptic number.

It is an amenable number.

54001345 is a deficient number, since it is larger than the sum of its proper divisors (10800275).

54001345 is a wasteful number, since it uses less digits than its factorization.

54001345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10800274.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 54001345 is about 7348.5607434381. The cubic root of 54001345 is about 377.9794530791.

The spelling of 54001345 in words is "fifty-four million, one thousand, three hundred forty-five".