53305131 has 8 divisors (see below), whose sum is σ = 77534784. Its totient is φ = 32306120.

The previous prime is 53305093. The next prime is 53305139. The reversal of 53305131 is 13150335.

It is a happy number.

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

It is not a de Polignac number, because 53305131 - 2¹⁰ = 53304107 is a prime.

It is a super-2 number, since 2×53305131² = 5682873981854322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53305098 and 53305107.

It is not an unprimeable number, because it can be changed into a prime (53305139) 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, 807621 + ... + 807686.

It is an arithmetic number, because the mean of its divisors is an integer number (9691848).

Almost surely, 2^53305131 is an apocalyptic number.

53305131 is a deficient number, since it is larger than the sum of its proper divisors (24229653).

53305131 is a wasteful number, since it uses less digits than its factorization.

53305131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615321.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 53305131 is about 7301.0362963075. The cubic root of 53305131 is about 376.3480513247.

Adding to 53305131 its reverse (13150335), we get a palindrome (66455466).

The spelling of 53305131 in words is "fifty-three million, three hundred five thousand, one hundred thirty-one".