51456607 has 2 divisors, whose sum is σ = 51456608. Its totient is φ = 51456606.

The previous prime is 51456563. The next prime is 51456623. The reversal of 51456607 is 70665415.

It is a happy number.

51456607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51456607 - 2⁷ = 51456479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51456007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25728303 + 25728304.

It is an arithmetic number, because the mean of its divisors is an integer number (25728304).

Almost surely, 2^51456607 is an apocalyptic number.

51456607 is a deficient number, since it is larger than the sum of its proper divisors (1).

51456607 is an equidigital number, since it uses as much as digits as its factorization.

51456607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 51456607 is about 7173.3260765143. The cubic root of 51456607 is about 371.9464191338.

It can be divided in two parts, 514 and 56607, that added together give a square (57121 = 239²).

The spelling of 51456607 in words is "fifty-one million, four hundred fifty-six thousand, six hundred seven".