53191725 has 24 divisors (see below), whose sum is σ = 93119040. Its totient is φ = 26699520.

The previous prime is 53191717. The next prime is 53191739. The reversal of 53191725 is 52719135.

53191725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53191725 - 2³ = 53191717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19585 + ... + 22134.

It is an arithmetic number, because the mean of its divisors is an integer number (3879960).

Almost surely, 2^53191725 is an apocalyptic number.

It is an amenable number.

53191725 is a deficient number, since it is larger than the sum of its proper divisors (39927315).

53191725 is a wasteful number, since it uses less digits than its factorization.

53191725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41749 (or 41744 counting only the distinct ones).

The product of its digits is 9450, while the sum is 33.

The square root of 53191725 is about 7293.2657294246. The cubic root of 53191725 is about 376.0809699057.

The spelling of 53191725 in words is "fifty-three million, one hundred ninety-one thousand, seven hundred twenty-five".