52056621121623 has 16 divisors (see below), whose sum is σ = 71703929143296. Its totient is φ = 33558616919520.

The previous prime is 52056621121621. The next prime is 52056621121639. The reversal of 52056621121623 is 32612112665025.

It is not a de Polignac number, because 52056621121623 - 2¹ = 52056621121621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52056621121621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219046711 + ... + 219284232.

It is an arithmetic number, because the mean of its divisors is an integer number (4481495571456).

Almost surely, 2^{52056621121623} is an apocalyptic number.

52056621121623 is a deficient number, since it is larger than the sum of its proper divisors (19647308021673).

52056621121623 is a wasteful number, since it uses less digits than its factorization.

52056621121623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438332254.

The product of its (nonzero) digits is 259200, while the sum is 42.

Adding to 52056621121623 its reverse (32612112665025), we get a palindrome (84668733786648).

The spelling of 52056621121623 in words is "fifty-two trillion, fifty-six billion, six hundred twenty-one million, one hundred twenty-one thousand, six hundred twenty-three".