52661313044 has 12 divisors (see below), whose sum is σ = 92164830324. Its totient is φ = 26328504384.

The previous prime is 52661313041. The next prime is 52661313053. The reversal of 52661313044 is 44031316625.

52661313044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17771556100 + 34889756944 = 133310^2 + 186788^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52661312995 and 52661313013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52661313041) 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, 482339 + ... + 581354.

It is an arithmetic number, because the mean of its divisors is an integer number (7680402527).

Almost surely, 2^52661313044 is an apocalyptic number.

It is an amenable number.

52661313044 is a deficient number, since it is larger than the sum of its proper divisors (39503517280).

52661313044 is a wasteful number, since it uses less digits than its factorization.

52661313044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076074 (or 1076072 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 52661313044 its reverse (44031316625), we get a palindrome (96692629669).

The spelling of 52661313044 in words is "fifty-two billion, six hundred sixty-one million, three hundred thirteen thousand, forty-four".