51956741 has 2 divisors, whose sum is σ = 51956742. Its totient is φ = 51956740.

The previous prime is 51956699. The next prime is 51956767. The reversal of 51956741 is 14765915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 8726116 = 6575^2 + 2954^2 .

It is a cyclic number.

It is not a de Polignac number, because 51956741 - 2¹⁸ = 51694597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51956695 and 51956704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51956791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25978370 + 25978371.

It is an arithmetic number, because the mean of its divisors is an integer number (25978371).

Almost surely, 2^51956741 is an apocalyptic number.

It is an amenable number.

51956741 is a deficient number, since it is larger than the sum of its proper divisors (1).

51956741 is an equidigital number, since it uses as much as digits as its factorization.

51956741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 38.

The square root of 51956741 is about 7208.1024548767. The cubic root of 51956741 is about 373.1475839540.

The spelling of 51956741 in words is "fifty-one million, nine hundred fifty-six thousand, seven hundred forty-one".