51790901 has 2 divisors, whose sum is σ = 51790902. Its totient is φ = 51790900.

The previous prime is 51790883. The next prime is 51790939. The reversal of 51790901 is 10909715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49688401 + 2102500 = 7049^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 51790901 - 2¹⁴ = 51774517 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51790001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25895450 + 25895451.

It is an arithmetic number, because the mean of its divisors is an integer number (25895451).

Almost surely, 2^51790901 is an apocalyptic number.

It is an amenable number.

51790901 is a deficient number, since it is larger than the sum of its proper divisors (1).

51790901 is an equidigital number, since it uses as much as digits as its factorization.

51790901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 51790901 is about 7196.5895394972. The cubic root of 51790901 is about 372.7501459310.

The spelling of 51790901 in words is "fifty-one million, seven hundred ninety thousand, nine hundred one".