53445425 has 24 divisors (see below), whose sum is σ = 73001280. Its totient is φ = 38491200.

The previous prime is 53445401. The next prime is 53445437. The reversal of 53445425 is 52454435.

53445425 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 53445425 - 2¹⁶ = 53379889 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53445391 and 53445400.

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 23 ways as a sum of consecutive naturals, for example, 29084 + ... + 30866.

It is an arithmetic number, because the mean of its divisors is an integer number (3041720).

Almost surely, 2^53445425 is an apocalyptic number.

53445425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53445425 is a deficient number, since it is larger than the sum of its proper divisors (19555855).

53445425 is a wasteful number, since it uses less digits than its factorization.

53445425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1908 counting only the distinct ones).

The product of its digits is 48000, while the sum is 32.

The square root of 53445425 is about 7310.6377970735. The cubic root of 53445425 is about 376.6779327649.

The spelling of 53445425 in words is "fifty-three million, four hundred forty-five thousand, four hundred twenty-five".