54065218 has 4 divisors (see below), whose sum is σ = 81097830. Its totient is φ = 27032608.

The previous prime is 54065201. The next prime is 54065227. The reversal of 54065218 is 81256045.

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

It can be written as a sum of positive squares in only one way, i.e., 40793769 + 13271449 = 6387^2 + 3643^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54065218.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13516303 + ... + 13516306.

Almost surely, 2^54065218 is an apocalyptic number.

54065218 is a deficient number, since it is larger than the sum of its proper divisors (27032612).

54065218 is a wasteful number, since it uses less digits than its factorization.

54065218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27032611.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 54065218 is about 7352.9054121483. The cubic root of 54065218 is about 378.1284195488.

The spelling of 54065218 in words is "fifty-four million, sixty-five thousand, two hundred eighteen".