51752447507 has 2 divisors, whose sum is σ = 51752447508. Its totient is φ = 51752447506.

The previous prime is 51752447479. The next prime is 51752447531. The reversal of 51752447507 is 70574425715.

51752447507 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 51752447507 - 2²² = 51748253203 is a prime.

It is not a weakly prime, because it can be changed into another prime (51752747507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25876223753 + 25876223754.

It is an arithmetic number, because the mean of its divisors is an integer number (25876223754).

Almost surely, 2^51752447507 is an apocalyptic number.

51752447507 is a deficient number, since it is larger than the sum of its proper divisors (1).

51752447507 is an equidigital number, since it uses as much as digits as its factorization.

51752447507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372000, while the sum is 47.

The spelling of 51752447507 in words is "fifty-one billion, seven hundred fifty-two million, four hundred forty-seven thousand, five hundred seven".