53742241 has 32 divisors (see below), whose sum is σ = 67804160. Its totient is φ = 41570496.

The previous prime is 53742239. The next prime is 53742343. The reversal of 53742241 is 14224735.

It is a cyclic number.

It is not a de Polignac number, because 53742241 - 2¹ = 53742239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53742211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329626 + ... + 329788.

It is an arithmetic number, because the mean of its divisors is an integer number (2118880).

Almost surely, 2^53742241 is an apocalyptic number.

It is an amenable number.

53742241 is a deficient number, since it is larger than the sum of its proper divisors (14061919).

53742241 is a wasteful number, since it uses less digits than its factorization.

53742241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293.

The product of its digits is 6720, while the sum is 28.

The square root of 53742241 is about 7330.9099708017. The cubic root of 53742241 is about 377.3739555511.

Adding to 53742241 its reverse (14224735), we get a palindrome (67966976).

It can be divided in two parts, 537 and 42241, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 53742241 in words is "fifty-three million, seven hundred forty-two thousand, two hundred forty-one".