53469853 has 2 divisors, whose sum is σ = 53469854. Its totient is φ = 53469852.

The previous prime is 53469851. The next prime is 53469869. The reversal of 53469853 is 35896435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30935844 + 22534009 = 5562^2 + 4747^2 .

It is a cyclic number.

It is not a de Polignac number, because 53469853 - 2¹ = 53469851 is a prime.

Together with 53469851, 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 (53469851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26734926 + 26734927.

It is an arithmetic number, because the mean of its divisors is an integer number (26734927).

Almost surely, 2^53469853 is an apocalyptic number.

It is an amenable number.

53469853 is a deficient number, since it is larger than the sum of its proper divisors (1).

53469853 is an equidigital number, since it uses as much as digits as its factorization.

53469853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 43.

The square root of 53469853 is about 7312.3083222742. The cubic root of 53469853 is about 376.7353127122.

The spelling of 53469853 in words is "fifty-three million, four hundred sixty-nine thousand, eight hundred fifty-three".