52657472444 has 6 divisors (see below), whose sum is σ = 92150576784. Its totient is φ = 26328736220.

The previous prime is 52657472437. The next prime is 52657472449. The reversal of 52657472444 is 44427475625.

It is a junction number, because it is equal to n+sod(n) for n = 52657472392 and 52657472401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52657472449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6582184052 + ... + 6582184059.

It is an arithmetic number, because the mean of its divisors is an integer number (15358429464).

Almost surely, 2^52657472444 is an apocalyptic number.

It is an amenable number.

52657472444 is a deficient number, since it is larger than the sum of its proper divisors (39493104340).

52657472444 is a wasteful number, since it uses less digits than its factorization.

52657472444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13164368115 (or 13164368113 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 50.

The spelling of 52657472444 in words is "fifty-two billion, six hundred fifty-seven million, four hundred seventy-two thousand, four hundred forty-four".