54246728 has 32 divisors (see below), whose sum is σ = 108459000. Its totient is φ = 25347072.

The previous prime is 54246727. The next prime is 54246743. The reversal of 54246728 is 82764245.

It can be written as a sum of positive squares in 4 ways, for example, as 27019204 + 27227524 = 5198^2 + 5218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54246691 and 54246700.

It is not an unprimeable number, because it can be changed into a prime (54246721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18926 + ... + 21602.

Almost surely, 2^54246728 is an apocalyptic number.

It is an amenable number.

54246728 is a deficient number, since it is larger than the sum of its proper divisors (54212272).

54246728 is a wasteful number, since it uses less digits than its factorization.

54246728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2845 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 54246728 is about 7365.2378101457. The cubic root of 54246728 is about 378.5511030400.

The spelling of 54246728 in words is "fifty-four million, two hundred forty-six thousand, seven hundred twenty-eight".