53840671 has 2 divisors, whose sum is σ = 53840672. Its totient is φ = 53840670.

The previous prime is 53840669. The next prime is 53840681. The reversal of 53840671 is 17604835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53840671 - 2¹ = 53840669 is a prime.

Together with 53840669, 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 (53840621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26920335 + 26920336.

It is an arithmetic number, because the mean of its divisors is an integer number (26920336).

Almost surely, 2^53840671 is an apocalyptic number.

53840671 is a deficient number, since it is larger than the sum of its proper divisors (1).

53840671 is an equidigital number, since it uses as much as digits as its factorization.

53840671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 53840671 is about 7337.6202545512. The cubic root of 53840671 is about 377.6042043806.

It can be divided in two parts, 538 and 40671, that added together give a square (41209 = 203²).

The spelling of 53840671 in words is "fifty-three million, eight hundred forty thousand, six hundred seventy-one".