53351231 has 8 divisors (see below), whose sum is σ = 54505440. Its totient is φ = 52202592.

The previous prime is 53351201. The next prime is 53351239. The reversal of 53351231 is 13215335.

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 53351231 - 2¹⁰ = 53350207 is a prime.

It is a super-2 number, since 2×53351231² = 5692707698430722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53351197 and 53351206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53351239) 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, 22121 + ... + 24413.

It is an arithmetic number, because the mean of its divisors is an integer number (6813180).

Almost surely, 2^53351231 is an apocalyptic number.

53351231 is a deficient number, since it is larger than the sum of its proper divisors (1154209).

53351231 is a wasteful number, since it uses less digits than its factorization.

53351231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785.

The product of its digits is 1350, while the sum is 23.

The square root of 53351231 is about 7304.1927000867. The cubic root of 53351231 is about 376.4565127162.

Adding to 53351231 its reverse (13215335), we get a palindrome (66566566).

The spelling of 53351231 in words is "fifty-three million, three hundred fifty-one thousand, two hundred thirty-one".