53550625 has 20 divisors (see below), whose sum is σ = 68378112. Its totient is φ = 41906000.

The previous prime is 53550613. The next prime is 53550631. The reversal of 53550625 is 52605535.

It is not a de Polignac number, because 53550625 - 2¹⁵ = 53517857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28464 + ... + 30286.

Almost surely, 2^53550625 is an apocalyptic number.

It is an amenable number.

53550625 is a deficient number, since it is larger than the sum of its proper divisors (14827487).

53550625 is an equidigital number, since it uses as much as digits as its factorization.

53550625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 53550625 is about 7317.8292546356. The cubic root of 53550625 is about 376.9249170929.

The spelling of 53550625 in words is "fifty-three million, five hundred fifty thousand, six hundred twenty-five".