53348581443 has 32 divisors (see below), whose sum is σ = 75174612480. Its totient is φ = 33585995520.

The previous prime is 53348581439. The next prime is 53348581471. The reversal of 53348581443 is 34418584335.

It is not a de Polignac number, because 53348581443 - 2² = 53348581439 is a prime.

It is a super-2 number, since 2×53348581443² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53348581392 and 53348581401.

It is not an unprimeable number, because it can be changed into a prime (53348581343) 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, 2100780 + ... + 2126022.

It is an arithmetic number, because the mean of its divisors is an integer number (2349206640).

Almost surely, 2^53348581443 is an apocalyptic number.

53348581443 is a deficient number, since it is larger than the sum of its proper divisors (21826031037).

53348581443 is a wasteful number, since it uses less digits than its factorization.

53348581443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25659.

The product of its digits is 2764800, while the sum is 48.

The spelling of 53348581443 in words is "fifty-three billion, three hundred forty-eight million, five hundred eighty-one thousand, four hundred forty-three".