52561444 has 12 divisors (see below), whose sum is σ = 99058204. Its totient is φ = 24259104.

The previous prime is 52561441. The next prime is 52561451. The reversal of 52561444 is 44416525.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17892900 + 34668544 = 4230^2 + 5888^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52561441) 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, 505347 + ... + 505450.

Almost surely, 2^52561444 is an apocalyptic number.

It is an amenable number.

52561444 is a deficient number, since it is larger than the sum of its proper divisors (46496760).

52561444 is a wasteful number, since it uses less digits than its factorization.

52561444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010814 (or 1010812 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 52561444 is about 7249.9271720480. The cubic root of 52561444 is about 374.5896405924.

Adding to 52561444 its reverse (44416525), we get a palindrome (96977969).

It can be divided in two parts, 5256144 and 4, that multiplied together give a cube (21024576 = 276³).

The spelling of 52561444 in words is "fifty-two million, five hundred sixty-one thousand, four hundred forty-four".