53122031 has 2 divisors, whose sum is σ = 53122032. Its totient is φ = 53122030.

The previous prime is 53122021. The next prime is 53122051. The reversal of 53122031 is 13022135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53122031 is a prime.

It is a super-2 number, since 2×53122031² = 5643900355129922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53122021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26561015 + 26561016.

It is an arithmetic number, because the mean of its divisors is an integer number (26561016).

Almost surely, 2^53122031 is an apocalyptic number.

53122031 is a deficient number, since it is larger than the sum of its proper divisors (1).

53122031 is an equidigital number, since it uses as much as digits as its factorization.

53122031 is an evil number, because the sum of its binary digits is even.

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

The square root of 53122031 is about 7288.4861939912. The cubic root of 53122031 is about 375.9166458317.

Adding to 53122031 its reverse (13022135), we get a palindrome (66144166).

The spelling of 53122031 in words is "fifty-three million, one hundred twenty-two thousand, thirty-one".