53456165444 has 24 divisors (see below), whose sum is σ = 102067904736. Its totient is φ = 24294632000.

The previous prime is 53456165431. The next prime is 53456165501. The reversal of 53456165444 is 44456165435.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219584 + ... + 393864.

It is an arithmetic number, because the mean of its divisors is an integer number (4252829364).

Almost surely, 2^53456165444 is an apocalyptic number.

It is an amenable number.

53456165444 is a deficient number, since it is larger than the sum of its proper divisors (48611739292).

53456165444 is a wasteful number, since it uses less digits than its factorization.

53456165444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181267 (or 181265 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 47.

Subtracting from 53456165444 its reverse (44456165435), we obtain a palindrome (9000000009).

The spelling of 53456165444 in words is "fifty-three billion, four hundred fifty-six million, one hundred sixty-five thousand, four hundred forty-four".