53012231 has 8 divisors (see below), whose sum is σ = 54615120. Its totient is φ = 51418368.

The previous prime is 53012191. The next prime is 53012251. The reversal of 53012231 is 13221035.

53012231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-53012231 is a prime.

It is a super-2 number, since 2×53012231² = 5620593271194722, 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 (53012251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10775 + ... + 14903.

It is an arithmetic number, because the mean of its divisors is an integer number (6826890).

Almost surely, 2^53012231 is an apocalyptic number.

53012231 is a deficient number, since it is larger than the sum of its proper divisors (1602889).

53012231 is a wasteful number, since it uses less digits than its factorization.

53012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 53012231 is about 7280.9498693508. The cubic root of 53012231 is about 375.6574682506.

Adding to 53012231 its reverse (13221035), we get a palindrome (66233266).

The spelling of 53012231 in words is "fifty-three million, twelve thousand, two hundred thirty-one".