53622013 has 2 divisors, whose sum is σ = 53622014. Its totient is φ = 53622012.

The previous prime is 53622001. The next prime is 53622017. The reversal of 53622013 is 31022635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30935844 + 22686169 = 5562^2 + 4763^2 .

It is a cyclic number.

It is not a de Polignac number, because 53622013 - 2²¹ = 51524861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53622017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26811006 + 26811007.

It is an arithmetic number, because the mean of its divisors is an integer number (26811007).

Almost surely, 2^53622013 is an apocalyptic number.

It is an amenable number.

53622013 is a deficient number, since it is larger than the sum of its proper divisors (1).

53622013 is an equidigital number, since it uses as much as digits as its factorization.

53622013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 53622013 is about 7322.7053061010. The cubic root of 53622013 is about 377.0923347959.

Adding to 53622013 its reverse (31022635), we get a palindrome (84644648).

The spelling of 53622013 in words is "fifty-three million, six hundred twenty-two thousand, thirteen".