53655625 has 15 divisors (see below), whose sum is σ = 67277683. Its totient is φ = 42778000.

The previous prime is 53655607. The next prime is 53655629. The reversal of 53655625 is 52655635.

The square root of 53655625 is 7325.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 13155129 + 40500496 = 3627^2 + 6364^2 .

It is not a de Polignac number, because 53655625 - 2¹⁵ = 53622857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53655629) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 182979 + ... + 183271.

Almost surely, 2^53655625 is an apocalyptic number.

53655625 is the 7325-th square number.

53655625 is the 3663-rd centered octagonal number.

It is an amenable number.

53655625 is a deficient number, since it is larger than the sum of its proper divisors (13622058).

53655625 is an frugal number, since it uses more digits than its factorization.

53655625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 298 counting only the distinct ones).

The product of its digits is 135000, while the sum is 37.

The cubic root of 53655625 is about 377.1711095344.

The spelling of 53655625 in words is "fifty-three million, six hundred fifty-five thousand, six hundred twenty-five".