54643625 has 8 divisors (see below), whose sum is σ = 68195400. Its totient is φ = 43714800.

The previous prime is 54643613. The next prime is 54643649. The reversal of 54643625 is 52634645.

It is a happy number.

54643625 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 4 ways, for example, as 1819801 + 52823824 = 1349^2 + 7268^2 .

It is not a de Polignac number, because 54643625 - 2¹⁴ = 54627241 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 218450 + ... + 218699.

It is an arithmetic number, because the mean of its divisors is an integer number (8524425).

Almost surely, 2^54643625 is an apocalyptic number.

It is an amenable number.

54643625 is a deficient number, since it is larger than the sum of its proper divisors (13551775).

54643625 is an equidigital number, since it uses as much as digits as its factorization.

54643625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437164 (or 437154 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 54643625 is about 7392.1326422082. The cubic root of 54643625 is about 379.4720854946.

The spelling of 54643625 in words is "fifty-four million, six hundred forty-three thousand, six hundred twenty-five".