51941663 has 2 divisors, whose sum is σ = 51941664. Its totient is φ = 51941662.

The previous prime is 51941633. The next prime is 51941671. The reversal of 51941663 is 36614915.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51941663 - 2¹⁰ = 51940639 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51941623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25970831 + 25970832.

It is an arithmetic number, because the mean of its divisors is an integer number (25970832).

Almost surely, 2^51941663 is an apocalyptic number.

51941663 is a deficient number, since it is larger than the sum of its proper divisors (1).

51941663 is an equidigital number, since it uses as much as digits as its factorization.

51941663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 51941663 is about 7207.0564726523. The cubic root of 51941663 is about 373.1114842840. Note that the first 3 decimals are identical.

The spelling of 51941663 in words is "fifty-one million, nine hundred forty-one thousand, six hundred sixty-three".