53081444 has 12 divisors (see below), whose sum is σ = 100038204. Its totient is φ = 24499104.

The previous prime is 53081437. The next prime is 53081449. The reversal of 53081444 is 44418035.

It can be written as a sum of positive squares in 2 ways, for example, as 27457600 + 25623844 = 5240^2 + 5062^2 .

It is not an unprimeable number, because it can be changed into a prime (53081449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510347 + ... + 510450.

It is an arithmetic number, because the mean of its divisors is an integer number (8336517).

Almost surely, 2^53081444 is an apocalyptic number.

It is an amenable number.

53081444 is a deficient number, since it is larger than the sum of its proper divisors (46956760).

53081444 is a wasteful number, since it uses less digits than its factorization.

53081444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020814 (or 1020812 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 53081444 is about 7285.7013389241. The cubic root of 53081444 is about 375.8208838289.

Adding to 53081444 its reverse (44418035), we get a palindrome (97499479).

The spelling of 53081444 in words is "fifty-three million, eighty-one thousand, four hundred forty-four".