54210005 has 4 divisors (see below), whose sum is σ = 65052012. Its totient is φ = 43368000.

The previous prime is 54209963. The next prime is 54210017. The reversal of 54210005 is 50001245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31561924 + 22648081 = 5618^2 + 4759^2 .

It is not a de Polignac number, because 54210005 - 2¹⁰ = 54208981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5420996 + ... + 5421005.

It is an arithmetic number, because the mean of its divisors is an integer number (16263003).

Almost surely, 2^54210005 is an apocalyptic number.

It is an amenable number.

54210005 is a deficient number, since it is larger than the sum of its proper divisors (10842007).

54210005 is a wasteful number, since it uses less digits than its factorization.

54210005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10842006.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 54210005 is about 7362.7443932273. The cubic root of 54210005 is about 378.4656621247.

The spelling of 54210005 in words is "fifty-four million, two hundred ten thousand, five".