52761144 has 32 divisors (see below), whose sum is σ = 132721920. Its totient is φ = 17477856.

The previous prime is 52761143. The next prime is 52761151. The reversal of 52761144 is 44116725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52761143) 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, 2832 + ... + 10655.

It is an arithmetic number, because the mean of its divisors is an integer number (4147560).

Almost surely, 2^52761144 is an apocalyptic number.

It is an amenable number.

52761144 is an abundant number, since it is smaller than the sum of its proper divisors (79960776).

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

52761144 is a wasteful number, since it uses less digits than its factorization.

52761144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13659 (or 13655 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 52761144 is about 7263.6866672510. The cubic root of 52761144 is about 375.0634417109.

Adding to 52761144 its reverse (44116725), we get a palindrome (96877869).

The spelling of 52761144 in words is "fifty-two million, seven hundred sixty-one thousand, one hundred forty-four".