53286231 has 4 divisors (see below), whose sum is σ = 71048312. Its totient is φ = 35524152.

The previous prime is 53286229. The next prime is 53286269. The reversal of 53286231 is 13268235.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53286231 - 2¹ = 53286229 is a prime.

It is a super-2 number, since 2×53286231² = 5678844828370722, which 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 (53286221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8881036 + ... + 8881041.

It is an arithmetic number, because the mean of its divisors is an integer number (17762078).

Almost surely, 2^53286231 is an apocalyptic number.

53286231 is a deficient number, since it is larger than the sum of its proper divisors (17762081).

53286231 is a wasteful number, since it uses less digits than its factorization.

53286231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17762080.

The product of its digits is 8640, while the sum is 30.

The square root of 53286231 is about 7299.7418447504. The cubic root of 53286231 is about 376.3035664326.

The spelling of 53286231 in words is "fifty-three million, two hundred eighty-six thousand, two hundred thirty-one".