53520371 has 2 divisors, whose sum is σ = 53520372. Its totient is φ = 53520370.

The previous prime is 53520331. The next prime is 53520373. The reversal of 53520371 is 17302535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53520371 - 2⁶ = 53520307 is a prime.

It is a super-2 number, since 2×53520371² = 5728860223955282, which contains 22 as substring.

Together with 53520373, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53520371.

It is not a weakly prime, because it can be changed into another prime (53520373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760185 + 26760186.

It is an arithmetic number, because the mean of its divisors is an integer number (26760186).

Almost surely, 2^53520371 is an apocalyptic number.

53520371 is a deficient number, since it is larger than the sum of its proper divisors (1).

53520371 is an equidigital number, since it uses as much as digits as its factorization.

53520371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 53520371 is about 7315.7618195237. The cubic root of 53520371 is about 376.8539211296.

The spelling of 53520371 in words is "fifty-three million, five hundred twenty thousand, three hundred seventy-one".