53501120231 has 8 divisors (see below), whose sum is σ = 57726763920. Its totient is φ = 49291215552.

The previous prime is 53501120213. The next prime is 53501120243. The reversal of 53501120231 is 13202110535.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53501120231 is a prime.

It is a super-2 number, since 2×53501120231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53501120197 and 53501120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501120131) 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, 3927686 + ... + 3941283.

It is an arithmetic number, because the mean of its divisors is an integer number (7215845490).

Almost surely, 2^53501120231 is an apocalyptic number.

53501120231 is a deficient number, since it is larger than the sum of its proper divisors (4225643689).

53501120231 is a wasteful number, since it uses less digits than its factorization.

53501120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7869505.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 53501120231 its reverse (13202110535), we get a palindrome (66703230766).

The spelling of 53501120231 in words is "fifty-three billion, five hundred one million, one hundred twenty thousand, two hundred thirty-one".