53857373 has 2 divisors, whose sum is σ = 53857374. Its totient is φ = 53857372.

The previous prime is 53857369. The next prime is 53857451. The reversal of 53857373 is 37375835.

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., 53392249 + 465124 = 7307^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 53857373 - 2² = 53857369 is a prime.

It is a super-2 number, since 2×53857373² = 5801233252922258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53857373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53857673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26928686 + 26928687.

It is an arithmetic number, because the mean of its divisors is an integer number (26928687).

Almost surely, 2^53857373 is an apocalyptic number.

It is an amenable number.

53857373 is a deficient number, since it is larger than the sum of its proper divisors (1).

53857373 is an equidigital number, since it uses as much as digits as its factorization.

53857373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 41.

The square root of 53857373 is about 7338.7582737136. The cubic root of 53857373 is about 377.6432460770.

The spelling of 53857373 in words is "fifty-three million, eight hundred fifty-seven thousand, three hundred seventy-three".