53430025 has 24 divisors (see below), whose sum is σ = 73057824. Its totient is φ = 38438400.

The previous prime is 53430017. The next prime is 53430029. The reversal of 53430025 is 52003435.

53430025 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 53430025 - 2³ = 53430017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53429978 and 53430005.

It is not an unprimeable number, because it can be changed into a prime (53430029) 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 23 ways as a sum of consecutive naturals, for example, 25674 + ... + 27676.

It is an arithmetic number, because the mean of its divisors is an integer number (3044076).

Almost surely, 2^53430025 is an apocalyptic number.

53430025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53430025 is a deficient number, since it is larger than the sum of its proper divisors (19627799).

53430025 is a wasteful number, since it uses less digits than its factorization.

53430025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 53430025 is about 7309.5844615135. The cubic root of 53430025 is about 376.6417500769.

The spelling of 53430025 in words is "fifty-three million, four hundred thirty thousand, twenty-five".