54390016 has 18 divisors (see below), whose sum is σ = 108568082. Its totient is φ = 27194880.

The previous prime is 54390013. The next prime is 54390023. The reversal of 54390016 is 61009345.

54390016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 32262400 + 22127616 = 5680^2 + 4704^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54390013) by changing a digit.

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 as a sum of consecutive naturals, namely, 105975 + ... + 106486.

Almost surely, 2^54390016 is an apocalyptic number.

It is an amenable number.

54390016 is a deficient number, since it is larger than the sum of its proper divisors (54178066).

54390016 is an equidigital number, since it uses as much as digits as its factorization.

54390016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212477 (or 212463 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 54390016 is about 7374.9587117488. The cubic root of 54390016 is about 378.8841132452.

The spelling of 54390016 in words is "fifty-four million, three hundred ninety thousand, sixteen".