53163625 has 8 divisors (see below), whose sum is σ = 66348360. Its totient is φ = 42530800.

The previous prime is 53163623. The next prime is 53163631. The reversal of 53163625 is 52636135.

It can be written as a sum of positive squares in 4 ways, for example, as 514089 + 52649536 = 717^2 + 7256^2 .

It is not a de Polignac number, because 53163625 - 2¹ = 53163623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53163623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212530 + ... + 212779.

It is an arithmetic number, because the mean of its divisors is an integer number (8293545).

Almost surely, 2^53163625 is an apocalyptic number.

It is an amenable number.

53163625 is a deficient number, since it is larger than the sum of its proper divisors (13184735).

53163625 is an equidigital number, since it uses as much as digits as its factorization.

53163625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425324 (or 425314 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 53163625 is about 7291.3390402587. The cubic root of 53163625 is about 376.0147331823.

The spelling of 53163625 in words is "fifty-three million, one hundred sixty-three thousand, six hundred twenty-five".