53518373 has 2 divisors, whose sum is σ = 53518374. Its totient is φ = 53518372.

The previous prime is 53518343. The next prime is 53518403. The reversal of 53518373 is 37381535.

It is a balanced prime because it is at equal distance from previous prime (53518343) and next prime (53518403).

It can be written as a sum of positive squares in only one way, i.e., 35259844 + 18258529 = 5938^2 + 4273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53518373 is a prime.

It is equal to p_3199166 and since 53518373 and 3199166 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53518303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26759186 + 26759187.

It is an arithmetic number, because the mean of its divisors is an integer number (26759187).

Almost surely, 2^53518373 is an apocalyptic number.

It is an amenable number.

53518373 is a deficient number, since it is larger than the sum of its proper divisors (1).

53518373 is an equidigital number, since it uses as much as digits as its factorization.

53518373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 53518373 is about 7315.6252637762. The cubic root of 53518373 is about 376.8492315538.

The spelling of 53518373 in words is "fifty-three million, five hundred eighteen thousand, three hundred seventy-three".