53420625 has 30 divisors (see below), whose sum is σ = 96433194. Its totient is φ = 28488000.

The previous prime is 53420603. The next prime is 53420659. The reversal of 53420625 is 52602435.

53420625 is a `hidden beast` number, since 5 + 34 + 2 + 0 + 625 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 35856144 + 17564481 = 5988^2 + 4191^2 .

It is not a de Polignac number, because 53420625 - 2⁶ = 53420561 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 877 + ... + 10373.

Almost surely, 2^53420625 is an apocalyptic number.

It is an amenable number.

53420625 is a deficient number, since it is larger than the sum of its proper divisors (43012569).

53420625 is an equidigital number, since it uses as much as digits as its factorization.

53420625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523 (or 9505 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 53420625 is about 7308.9414418232. The cubic root of 53420625 is about 376.6196611229.

It can be divided in two parts, 53420 and 625, that added together give a palindrome (54045).

The spelling of 53420625 in words is "fifty-three million, four hundred twenty thousand, six hundred twenty-five".