54140237 has 2 divisors, whose sum is σ = 54140238. Its totient is φ = 54140236.

The previous prime is 54140197. The next prime is 54140239. The reversal of 54140237 is 73204145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45414121 + 8726116 = 6739^2 + 2954^2 .

It is a cyclic number.

It is not a de Polignac number, because 54140237 - 2¹⁰ = 54139213 is a prime.

Together with 54140239, 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 (54140239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27070118 + 27070119.

It is an arithmetic number, because the mean of its divisors is an integer number (27070119).

Almost surely, 2^54140237 is an apocalyptic number.

It is an amenable number.

54140237 is a deficient number, since it is larger than the sum of its proper divisors (1).

54140237 is an equidigital number, since it uses as much as digits as its factorization.

54140237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 54140237 is about 7358.0049605854. The cubic root of 54140237 is about 378.3032312965.

The spelling of 54140237 in words is "fifty-four million, one hundred forty thousand, two hundred thirty-seven".