54221164 has 12 divisors (see below), whose sum is σ = 94946488. Its totient is φ = 27093600.

The previous prime is 54221159. The next prime is 54221171. The reversal of 54221164 is 46112245.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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, 5344 + ... + 11704.

Almost surely, 2^54221164 is an apocalyptic number.

It is an amenable number.

54221164 is a deficient number, since it is larger than the sum of its proper divisors (40725324).

54221164 is a wasteful number, since it uses less digits than its factorization.

54221164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8496 (or 8494 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 54221164 is about 7363.5021559038. The cubic root of 54221164 is about 378.4916290938.

The spelling of 54221164 in words is "fifty-four million, two hundred twenty-one thousand, one hundred sixty-four".