52152020444 has 12 divisors (see below), whose sum is σ = 91267845984. Its totient is φ = 26075493024.

The previous prime is 52152020443. The next prime is 52152020449. The reversal of 52152020444 is 44402025125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52152020441) 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, 179549 + ... + 369515.

It is an arithmetic number, because the mean of its divisors is an integer number (7605653832).

Almost surely, 2^52152020444 is an apocalyptic number.

It is an amenable number.

52152020444 is a deficient number, since it is larger than the sum of its proper divisors (39115825540).

52152020444 is a wasteful number, since it uses less digits than its factorization.

52152020444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258604 (or 258602 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 52152020444 its reverse (44402025125), we get a palindrome (96554045569).

The spelling of 52152020444 in words is "fifty-two billion, one hundred fifty-two million, twenty thousand, four hundred forty-four".