52072321543 has 32 divisors (see below), whose sum is σ = 59160326400. Its totient is φ = 45417504000.

The previous prime is 52072321541. The next prime is 52072321601. The reversal of 52072321543 is 34512327025.

It is not a de Polignac number, because 52072321543 - 2¹ = 52072321541 is a prime.

It is a super-3 number, since 3×52072321543³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52072321499 and 52072321508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52072321541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24807108 + ... + 24809206.

It is an arithmetic number, because the mean of its divisors is an integer number (1848760200).

Almost surely, 2^52072321543 is an apocalyptic number.

52072321543 is a deficient number, since it is larger than the sum of its proper divisors (7088004857).

52072321543 is a wasteful number, since it uses less digits than its factorization.

52072321543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039.

The product of its (nonzero) digits is 50400, while the sum is 34.

Adding to 52072321543 its reverse (34512327025), we get a palindrome (86584648568).

The spelling of 52072321543 in words is "fifty-two billion, seventy-two million, three hundred twenty-one thousand, five hundred forty-three".