53225435643 has 8 divisors (see below), whose sum is σ = 75141791568. Its totient is φ = 33396351744.

The previous prime is 53225435639. The next prime is 53225435687. The reversal of 53225435643 is 34653452235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53225435643 - 2² = 53225435639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53225435595 and 53225435604.

It is not an unprimeable number, because it can be changed into a prime (53225435603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521817946 + ... + 521818047.

It is an arithmetic number, because the mean of its divisors is an integer number (9392723946).

Almost surely, 2^53225435643 is an apocalyptic number.

53225435643 is a deficient number, since it is larger than the sum of its proper divisors (21916355925).

53225435643 is a wasteful number, since it uses less digits than its factorization.

53225435643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043636013.

The product of its digits is 1296000, while the sum is 42.

Adding to 53225435643 its reverse (34653452235), we get a palindrome (87878887878).

The spelling of 53225435643 in words is "fifty-three billion, two hundred twenty-five million, four hundred thirty-five thousand, six hundred forty-three".