53241731 has 4 divisors (see below), whose sum is σ = 53295000. Its totient is φ = 53188464.

The previous prime is 53241719. The next prime is 53241737. The reversal of 53241731 is 13714235.

53241731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53241731 is a prime.

It is a super-2 number, since 2×53241731² = 5669363839752722, which contains 22 as substring.

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 53241731.

It is not an unprimeable number, because it can be changed into a prime (53241737) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25106 + ... + 27143.

It is an arithmetic number, because the mean of its divisors is an integer number (13323750).

Almost surely, 2^53241731 is an apocalyptic number.

53241731 is a deficient number, since it is larger than the sum of its proper divisors (53269).

53241731 is a wasteful number, since it uses less digits than its factorization.

53241731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53268.

The product of its digits is 2520, while the sum is 26.

The square root of 53241731 is about 7296.6931551217. The cubic root of 53241731 is about 376.1987853161.

Adding to 53241731 its reverse (13714235), we get a palindrome (66955966).

The spelling of 53241731 in words is "fifty-three million, two hundred forty-one thousand, seven hundred thirty-one".