54005312 has 14 divisors (see below), whose sum is σ = 107166918. Its totient is φ = 27002624.

The previous prime is 54005309. The next prime is 54005321. The reversal of 54005312 is 21350045.

It can be written as a sum of positive squares in only one way, i.e., 41783296 + 12222016 = 6464^2 + 3496^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421853 + ... + 421980.

Almost surely, 2^54005312 is an apocalyptic number.

It is an amenable number.

54005312 is a deficient number, since it is larger than the sum of its proper divisors (53161606).

54005312 is an equidigital number, since it uses as much as digits as its factorization.

54005312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843845 (or 843835 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 54005312 is about 7348.8306552812. The cubic root of 54005312 is about 377.9887084521.

Adding to 54005312 its reverse (21350045), we get a palindrome (75355357).

The spelling of 54005312 in words is "fifty-four million, five thousand, three hundred twelve".