54904521 has 16 divisors (see below), whose sum is σ = 84067328. Its totient is φ = 31222800.

The previous prime is 54904489. The next prime is 54904523. The reversal of 54904521 is 12540945.

54904521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54904521 - 2⁵ = 54904489 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54904523) 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 in 15 ways as a sum of consecutive naturals, for example, 1765 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (5254208).

Almost surely, 2^54904521 is an apocalyptic number.

It is an amenable number.

54904521 is a deficient number, since it is larger than the sum of its proper divisors (29162807).

54904521 is a wasteful number, since it uses less digits than its factorization.

54904521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12612.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 54904521 is about 7409.7584980889. The cubic root of 54904521 is about 380.0750567345.

It can be divided in two parts, 5490 and 4521, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 54904521 in words is "fifty-four million, nine hundred four thousand, five hundred twenty-one".