54004257 has 24 divisors (see below), whose sum is σ = 84619080. Its totient is φ = 33054720.

The previous prime is 54004229. The next prime is 54004271. The reversal of 54004257 is 75240045.

54004257 is a `hidden beast` number, since 5 + 400 + 4 + 257 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 772641 + 53231616 = 879^2 + 7296^2 .

It is not a de Polignac number, because 54004257 - 2⁷ = 54004129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54004257.

It is not an unprimeable number, because it can be changed into a prime (54004957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1969 + ... + 10577.

It is an arithmetic number, because the mean of its divisors is an integer number (3525795).

Almost surely, 2^54004257 is an apocalyptic number.

It is an amenable number.

54004257 is a deficient number, since it is larger than the sum of its proper divisors (30614823).

54004257 is a wasteful number, since it uses less digits than its factorization.

54004257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8673 (or 8670 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 54004257 is about 7348.7588748033. The cubic root of 54004257 is about 377.9862470851.

The spelling of 54004257 in words is "fifty-four million, four thousand, two hundred fifty-seven".