53244513 has 16 divisors (see below), whose sum is σ = 90149760. Its totient is φ = 30425328.

The previous prime is 53244481. The next prime is 53244539. The reversal of 53244513 is 31544235.

It is not a de Polignac number, because 53244513 - 2⁵ = 53244481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53244413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140670 + ... + 141047.

It is an arithmetic number, because the mean of its divisors is an integer number (5634360).

Almost surely, 2^53244513 is an apocalyptic number.

It is an amenable number.

53244513 is a deficient number, since it is larger than the sum of its proper divisors (36905247).

53244513 is a wasteful number, since it uses less digits than its factorization.

53244513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281733 (or 281727 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 53244513 is about 7296.8837869326. The cubic root of 53244513 is about 376.2053376124.

Adding to 53244513 its reverse (31544235), we get a palindrome (84788748).

The spelling of 53244513 in words is "fifty-three million, two hundred forty-four thousand, five hundred thirteen".