53437873 has 2 divisors, whose sum is σ = 53437874. Its totient is φ = 53437872.

The previous prime is 53437871. The next prime is 53437877. The reversal of 53437873 is 37873435.

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., 37051569 + 16386304 = 6087^2 + 4048^2 .

It is a cyclic number.

It is not a de Polignac number, because 53437873 - 2¹ = 53437871 is a prime.

Together with 53437871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53437871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26718936 + 26718937.

It is an arithmetic number, because the mean of its divisors is an integer number (26718937).

Almost surely, 2^53437873 is an apocalyptic number.

It is an amenable number.

53437873 is a deficient number, since it is larger than the sum of its proper divisors (1).

53437873 is an equidigital number, since it uses as much as digits as its factorization.

53437873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The square root of 53437873 is about 7310.1212712239. The cubic root of 53437873 is about 376.6601900192.

The spelling of 53437873 in words is "fifty-three million, four hundred thirty-seven thousand, eight hundred seventy-three".