54171845 has 32 divisors (see below), whose sum is σ = 81247488. Its totient is φ = 33758208.

The previous prime is 54171839. The next prime is 54171863. The reversal of 54171845 is 54817145.

54171845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 54171845 - 2¹⁴ = 54155461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29597 + ... + 31373.

It is an arithmetic number, because the mean of its divisors is an integer number (2538984).

Almost surely, 2^54171845 is an apocalyptic number.

It is an amenable number.

54171845 is a deficient number, since it is larger than the sum of its proper divisors (27075643).

54171845 is a wasteful number, since it uses less digits than its factorization.

54171845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869.

The product of its digits is 22400, while the sum is 35.

The square root of 54171845 is about 7360.1525120068. The cubic root of 54171845 is about 378.3768369484.

The spelling of 54171845 in words is "fifty-four million, one hundred seventy-one thousand, eight hundred forty-five".