53165473 has 2 divisors, whose sum is σ = 53165474. Its totient is φ = 53165472.

The previous prime is 53165471. The next prime is 53165503. The reversal of 53165473 is 37456135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43996689 + 9168784 = 6633^2 + 3028^2 .

It is a cyclic number.

It is not a de Polignac number, because 53165473 - 2¹ = 53165471 is a prime.

Together with 53165471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53165471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26582736 + 26582737.

It is an arithmetic number, because the mean of its divisors is an integer number (26582737).

Almost surely, 2^53165473 is an apocalyptic number.

It is an amenable number.

53165473 is a deficient number, since it is larger than the sum of its proper divisors (1).

53165473 is an equidigital number, since it uses as much as digits as its factorization.

53165473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The square root of 53165473 is about 7291.4657648514. The cubic root of 53165473 is about 376.0190899656.

The spelling of 53165473 in words is "fifty-three million, one hundred sixty-five thousand, four hundred seventy-three".