53042231 has 8 divisors (see below), whose sum is σ = 58186128. Its totient is φ = 47952000.

The previous prime is 53042221. The next prime is 53042237. The reversal of 53042231 is 13224035.

It is a happy number.

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-53042231 is a prime.

It is a super-2 number, since 2×53042231² = 5626956538914722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53042237) 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, 11330 + ... + 15311.

It is an arithmetic number, because the mean of its divisors is an integer number (7273266).

Almost surely, 2^53042231 is an apocalyptic number.

53042231 is a deficient number, since it is larger than the sum of its proper divisors (5143897).

53042231 is a wasteful number, since it uses less digits than its factorization.

53042231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26833.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 53042231 is about 7283.0097487234. The cubic root of 53042231 is about 375.7283173021.

Adding to 53042231 its reverse (13224035), we get a palindrome (66266266).

The spelling of 53042231 in words is "fifty-three million, forty-two thousand, two hundred thirty-one".