53270231 has 16 divisors (see below), whose sum is σ = 67267584. Its totient is φ = 41103744.

The previous prime is 53270227. The next prime is 53270251. The reversal of 53270231 is 13207235.

It is a cyclic number.

It is not a de Polignac number, because 53270231 - 2² = 53270227 is a prime.

It is a super-2 number, since 2×53270231² = 5675435021586722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53270197 and 53270206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53270201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6995 + ... + 12468.

It is an arithmetic number, because the mean of its divisors is an integer number (4204224).

Almost surely, 2^53270231 is an apocalyptic number.

53270231 is a deficient number, since it is larger than the sum of its proper divisors (13997353).

53270231 is a wasteful number, since it uses less digits than its factorization.

53270231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19510.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 53270231 is about 7298.6458333036. The cubic root of 53270231 is about 376.2658990423.

Adding to 53270231 its reverse (13207235), we get a palindrome (66477466).

The spelling of 53270231 in words is "fifty-three million, two hundred seventy thousand, two hundred thirty-one".