53244731 has 8 divisors (see below), whose sum is σ = 56440800. Its totient is φ = 50055808.

The previous prime is 53244683. The next prime is 53244757. The reversal of 53244731 is 13744235.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53244731 is a prime.

It is a super-2 number, since 2×53244731² = 5670002758524722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53244694 and 53244703.

It is not an unprimeable number, because it can be changed into a prime (53244761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26345 + ... + 28293.

It is an arithmetic number, because the mean of its divisors is an integer number (7055100).

Almost surely, 2^53244731 is an apocalyptic number.

53244731 is a deficient number, since it is larger than the sum of its proper divisors (3196069).

53244731 is a wasteful number, since it uses less digits than its factorization.

53244731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573.

The product of its digits is 10080, while the sum is 29.

The square root of 53244731 is about 7296.8987248008. The cubic root of 53244731 is about 376.2058510465.

Adding to 53244731 its reverse (13744235), we get a palindrome (66988966).

The spelling of 53244731 in words is "fifty-three million, two hundred forty-four thousand, seven hundred thirty-one".