53642409181 has 8 divisors (see below), whose sum is σ = 54008121600. Its totient is φ = 53276773008.

The previous prime is 53642409173. The next prime is 53642409257. The reversal of 53642409181 is 18190424635.

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

It is a cyclic number.

It is not a de Polignac number, because 53642409181 - 2³ = 53642409173 is a prime.

It is a super-2 number, since 2×53642409181² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53642439181) 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, 2714920 + ... + 2734606.

It is an arithmetic number, because the mean of its divisors is an integer number (6751015200).

Almost surely, 2^53642409181 is an apocalyptic number.

It is an amenable number.

53642409181 is a deficient number, since it is larger than the sum of its proper divisors (365712419).

53642409181 is a wasteful number, since it uses less digits than its factorization.

53642409181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38123.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 53642409181 in words is "fifty-three billion, six hundred forty-two million, four hundred nine thousand, one hundred eighty-one".