53687241 has 18 divisors (see below), whose sum is σ = 82382222. Its totient is φ = 33684480.

The previous prime is 53687219. The next prime is 53687279. The reversal of 53687241 is 14278635.

53687241 is a `hidden beast` number, since 536 + 87 + 2 + 41 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 12278016 + 41409225 = 3504^2 + 6435^2 .

It is not a de Polignac number, because 53687241 - 2⁵ = 53687209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53687196 and 53687205.

It is not an unprimeable number, because it can be changed into a prime (53687201) 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, 7720 + ... + 12921.

Almost surely, 2^53687241 is an apocalyptic number.

53687241 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

53687241 is a deficient number, since it is larger than the sum of its proper divisors (28694981).

53687241 is a wasteful number, since it uses less digits than its factorization.

53687241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20681 (or 20661 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 53687241 is about 7327.1577709232. The cubic root of 53687241 is about 377.2451763286.

The spelling of 53687241 in words is "fifty-three million, six hundred eighty-seven thousand, two hundred forty-one".