53945825 has 6 divisors (see below), whose sum is σ = 66892854. Its totient is φ = 43156640.

The previous prime is 53945819. The next prime is 53945867. The reversal of 53945825 is 52854935.

It can be written as a sum of positive squares in 3 ways, for example, as 17572864 + 36372961 = 4192^2 + 6031^2 .

It is not a de Polignac number, because 53945825 - 2⁸ = 53945569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1078892 + ... + 1078941.

It is an arithmetic number, because the mean of its divisors is an integer number (11148809).

Almost surely, 2^53945825 is an apocalyptic number.

It is an amenable number.

53945825 is a deficient number, since it is larger than the sum of its proper divisors (12947029).

53945825 is a wasteful number, since it uses less digits than its factorization.

53945825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157843 (or 2157838 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 53945825 is about 7344.7821615076. The cubic root of 53945825 is about 377.8498722621.

It can be divided in two parts, 539 and 45825, that added together give a palindrome (46364).

The spelling of 53945825 in words is "fifty-three million, nine hundred forty-five thousand, eight hundred twenty-five".