54442625 has 8 divisors (see below), whose sum is σ = 67944552. Its totient is φ = 43554000.

The previous prime is 54442621. The next prime is 54442631. The reversal of 54442625 is 52624445.

It can be written as a sum of positive squares in 4 ways, for example, as 37249 + 54405376 = 193^2 + 7376^2 .

It is not a de Polignac number, because 54442625 - 2² = 54442621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54442591 and 54442600.

It is not an unprimeable number, because it can be changed into a prime (54442621) 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, 217646 + ... + 217895.

It is an arithmetic number, because the mean of its divisors is an integer number (8493069).

Almost surely, 2^54442625 is an apocalyptic number.

It is an amenable number.

54442625 is a deficient number, since it is larger than the sum of its proper divisors (13501927).

54442625 is an equidigital number, since it uses as much as digits as its factorization.

54442625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435556 (or 435546 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 54442625 is about 7378.5245815136. The cubic root of 54442625 is about 379.0062330296.

The spelling of 54442625 in words is "fifty-four million, four hundred forty-two thousand, six hundred twenty-five".