53725187 has 2 divisors, whose sum is σ = 53725188. Its totient is φ = 53725186.

The previous prime is 53725181. The next prime is 53725213. The reversal of 53725187 is 78152735.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53725187 - 2¹⁰ = 53724163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53725187.

It is not a weakly prime, because it can be changed into another prime (53725181) by changing a digit.

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 as a sum of consecutive naturals, namely, 26862593 + 26862594.

It is an arithmetic number, because the mean of its divisors is an integer number (26862594).

Almost surely, 2^53725187 is an apocalyptic number.

53725187 is a deficient number, since it is larger than the sum of its proper divisors (1).

53725187 is an equidigital number, since it uses as much as digits as its factorization.

53725187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The square root of 53725187 is about 7329.7467214086. The cubic root of 53725187 is about 377.3340340282.

The spelling of 53725187 in words is "fifty-three million, seven hundred twenty-five thousand, one hundred eighty-seven".