53396772443 has 16 divisors (see below), whose sum is σ = 61476226560. Its totient is φ = 45430860096.

The previous prime is 53396772433. The next prime is 53396772449. The reversal of 53396772443 is 34427769335.

It is a cyclic number.

It is not a de Polignac number, because 53396772443 - 2¹⁴ = 53396756059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53396772449) 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, 894146 + ... + 951992.

It is an arithmetic number, because the mean of its divisors is an integer number (3842264160).

Almost surely, 2^53396772443 is an apocalyptic number.

53396772443 is a deficient number, since it is larger than the sum of its proper divisors (8079454117).

53396772443 is a wasteful number, since it uses less digits than its factorization.

53396772443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58826.

The product of its digits is 11430720, while the sum is 53.

The spelling of 53396772443 in words is "fifty-three billion, three hundred ninety-six million, seven hundred seventy-two thousand, four hundred forty-three".