53340437 has 2 divisors, whose sum is σ = 53340438. Its totient is φ = 53340436.

The previous prime is 53340433. The next prime is 53340439. The reversal of 53340437 is 73404335.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51466276 + 1874161 = 7174^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 53340437 - 2² = 53340433 is a prime.

Together with 53340439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53340431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26670218 + 26670219.

It is an arithmetic number, because the mean of its divisors is an integer number (26670219).

Almost surely, 2^53340437 is an apocalyptic number.

It is an amenable number.

53340437 is a deficient number, since it is larger than the sum of its proper divisors (1).

53340437 is an equidigital number, since it uses as much as digits as its factorization.

53340437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 53340437 is about 7303.4537720177. The cubic root of 53340437 is about 376.4311228262.

The spelling of 53340437 in words is "fifty-three million, three hundred forty thousand, four hundred thirty-seven".