51754457 has 2 divisors, whose sum is σ = 51754458. Its totient is φ = 51754456.

The previous prime is 51754433. The next prime is 51754459. The reversal of 51754457 is 75445715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51208336 + 546121 = 7156^2 + 739^2 .

It is a cyclic number.

It is not a de Polignac number, because 51754457 - 2⁸ = 51754201 is a prime.

Together with 51754459, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51754457.

It is not a weakly prime, because it can be changed into another prime (51754459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25877228 + 25877229.

It is an arithmetic number, because the mean of its divisors is an integer number (25877229).

Almost surely, 2^51754457 is an apocalyptic number.

It is an amenable number.

51754457 is a deficient number, since it is larger than the sum of its proper divisors (1).

51754457 is an equidigital number, since it uses as much as digits as its factorization.

51754457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98000, while the sum is 38.

The square root of 51754457 is about 7194.0570612138. The cubic root of 51754457 is about 372.6626936716.

The spelling of 51754457 in words is "fifty-one million, seven hundred fifty-four thousand, four hundred fifty-seven".