53751825 has 18 divisors (see below), whose sum is σ = 96275894. Its totient is φ = 28667520.

The previous prime is 53751821. The next prime is 53751827. The reversal of 53751825 is 52815735.

It can be written as a sum of positive squares in 3 ways, for example, as 8714304 + 45037521 = 2952^2 + 6711^2 .

It is not a de Polignac number, because 53751825 - 2² = 53751821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53751825.

It is not an unprimeable number, because it can be changed into a prime (53751821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 119224 + ... + 119673.

Almost surely, 2^53751825 is an apocalyptic number.

It is an amenable number.

53751825 is a deficient number, since it is larger than the sum of its proper divisors (42524069).

53751825 is a wasteful number, since it uses less digits than its factorization.

53751825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238913 (or 238905 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 53751825 is about 7331.5636122181. The cubic root of 53751825 is about 377.3963869256.

The spelling of 53751825 in words is "fifty-three million, seven hundred fifty-one thousand, eight hundred twenty-five".