53371013 has 2 divisors, whose sum is σ = 53371014. Its totient is φ = 53371012.

The previous prime is 53371001. The next prime is 53371033. The reversal of 53371013 is 31017335.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44328964 + 9042049 = 6658^2 + 3007^2 .

It is a cyclic number.

It is not a de Polignac number, because 53371013 - 2²² = 49176709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53371013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53371033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26685506 + 26685507.

It is an arithmetic number, because the mean of its divisors is an integer number (26685507).

Almost surely, 2^53371013 is an apocalyptic number.

It is an amenable number.

53371013 is a deficient number, since it is larger than the sum of its proper divisors (1).

53371013 is an equidigital number, since it uses as much as digits as its factorization.

53371013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 53371013 is about 7305.5467283428. The cubic root of 53371013 is about 376.5030354947.

Adding to 53371013 its reverse (31017335), we get a palindrome (84388348).

The spelling of 53371013 in words is "fifty-three million, three hundred seventy-one thousand, thirteen".