53818625 has 16 divisors (see below), whose sum is σ = 76761984. Its totient is φ = 36903600.

The previous prime is 53818603. The next prime is 53818637. The reversal of 53818625 is 52681835.

It is a de Polignac number, because none of the positive numbers 2^k-53818625 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 15 ways as a sum of consecutive naturals, for example, 29879 + ... + 31628.

It is an arithmetic number, because the mean of its divisors is an integer number (4797624).

Almost surely, 2^53818625 is an apocalyptic number.

It is an amenable number.

53818625 is a deficient number, since it is larger than the sum of its proper divisors (22943359).

53818625 is an equidigital number, since it uses as much as digits as its factorization.

53818625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61529 (or 61519 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 53818625 is about 7336.1178425650. The cubic root of 53818625 is about 377.5526584729.

The spelling of 53818625 in words is "fifty-three million, eight hundred eighteen thousand, six hundred twenty-five".