53244740 has 24 divisors (see below), whose sum is σ = 113348760. Its totient is φ = 21005568.

The previous prime is 53244683. The next prime is 53244757. The reversal of 53244740 is 4744235.

It can be written as a sum of positive squares in 4 ways, for example, as 3936256 + 49308484 = 1984^2 + 7022^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16775 + ... + 19694.

It is an arithmetic number, because the mean of its divisors is an integer number (4722865).

Almost surely, 2^53244740 is an apocalyptic number.

It is an amenable number.

53244740 is an abundant number, since it is smaller than the sum of its proper divisors (60104020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53244740 is a wasteful number, since it uses less digits than its factorization.

53244740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36551 (or 36549 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 53244740 is about 7296.8993415012. The cubic root of 53244740 is about 376.2058722433.

Adding to 53244740 its reverse (4744235), we get a palindrome (57988975).

The spelling of 53244740 in words is "fifty-three million, two hundred forty-four thousand, seven hundred forty".