51906707 has 2 divisors, whose sum is σ = 51906708. Its totient is φ = 51906706.

The previous prime is 51906667. The next prime is 51906787. The reversal of 51906707 is 70760915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51906707 - 2¹⁰ = 51905683 is a prime.

It is not a weakly prime, because it can be changed into another prime (51906787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25953353 + 25953354.

It is an arithmetic number, because the mean of its divisors is an integer number (25953354).

Almost surely, 2^51906707 is an apocalyptic number.

51906707 is a deficient number, since it is larger than the sum of its proper divisors (1).

51906707 is an equidigital number, since it uses as much as digits as its factorization.

51906707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 51906707 is about 7204.6309412766. The cubic root of 51906707 is about 373.0277659278.

The spelling of 51906707 in words is "fifty-one million, nine hundred six thousand, seven hundred seven".