53037972443 has 4 divisors (see below), whose sum is σ = 53829584040. Its totient is φ = 52246360848.

The previous prime is 53037972401. The next prime is 53037972553. The reversal of 53037972443 is 34427973035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34427973035 = 5 ⋅6885594607.

It is a cyclic number.

It is not a de Polignac number, because 53037972443 - 2²⁶ = 52970863579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53037975443) 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, 395805698 + ... + 395805831.

It is an arithmetic number, because the mean of its divisors is an integer number (13457396010).

Almost surely, 2^53037972443 is an apocalyptic number.

53037972443 is a deficient number, since it is larger than the sum of its proper divisors (791611597).

53037972443 is an equidigital number, since it uses as much as digits as its factorization.

53037972443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791611596.

The product of its (nonzero) digits is 1905120, while the sum is 47.

The spelling of 53037972443 in words is "fifty-three billion, thirty-seven million, nine hundred seventy-two thousand, four hundred forty-three".