53520373 has 2 divisors, whose sum is σ = 53520374. Its totient is φ = 53520372.

The previous prime is 53520371. The next prime is 53520377. The reversal of 53520373 is 37302535.

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., 32341969 + 21178404 = 5687^2 + 4602^2 .

It is a cyclic number.

It is not a de Polignac number, because 53520373 - 2¹ = 53520371 is a prime.

Together with 53520371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53520371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760186 + 26760187.

It is an arithmetic number, because the mean of its divisors is an integer number (26760187).

Almost surely, 2^53520373 is an apocalyptic number.

It is an amenable number.

53520373 is a deficient number, since it is larger than the sum of its proper divisors (1).

53520373 is an equidigital number, since it uses as much as digits as its factorization.

53520373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 28.

The square root of 53520373 is about 7315.7619562148. The cubic root of 53520373 is about 376.8539258238.

The spelling of 53520373 in words is "fifty-three million, five hundred twenty thousand, three hundred seventy-three".