53548445 has 4 divisors (see below), whose sum is σ = 64258140. Its totient is φ = 42838752.

The previous prime is 53548433. The next prime is 53548447. The reversal of 53548445 is 54484535.

53548445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25786084 + 27762361 = 5078^2 + 5269^2 .

It is a cyclic number.

It is not a de Polignac number, because 53548445 - 2⁶ = 53548381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53548399 and 53548408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53548447) 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 3 ways as a sum of consecutive naturals, for example, 5354840 + ... + 5354849.

It is an arithmetic number, because the mean of its divisors is an integer number (16064535).

Almost surely, 2^53548445 is an apocalyptic number.

It is an amenable number.

53548445 is a deficient number, since it is larger than the sum of its proper divisors (10709695).

53548445 is a wasteful number, since it uses less digits than its factorization.

53548445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10709694.

The product of its digits is 192000, while the sum is 38.

The square root of 53548445 is about 7317.6803018443. The cubic root of 53548445 is about 376.9198022601.

The spelling of 53548445 in words is "fifty-three million, five hundred forty-eight thousand, four hundred forty-five".