54171345 has 8 divisors (see below), whose sum is σ = 86674176. Its totient is φ = 28891376.

The previous prime is 54171319. The next prime is 54171349. The reversal of 54171345 is 54317145.

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

It is a cyclic number.

It is not a de Polignac number, because 54171345 - 2⁶ = 54171281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54171349) 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, 1805697 + ... + 1805726.

It is an arithmetic number, because the mean of its divisors is an integer number (10834272).

Almost surely, 2^54171345 is an apocalyptic number.

It is an amenable number.

54171345 is a deficient number, since it is larger than the sum of its proper divisors (32502831).

54171345 is a wasteful number, since it uses less digits than its factorization.

54171345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611431.

The product of its digits is 8400, while the sum is 30.

The square root of 54171345 is about 7360.1185452410. The cubic root of 54171345 is about 378.3756728196.

The spelling of 54171345 in words is "fifty-four million, one hundred seventy-one thousand, three hundred forty-five".