52006573457 has 2 divisors, whose sum is σ = 52006573458. Its totient is φ = 52006573456.

The previous prime is 52006573447. The next prime is 52006573477. The reversal of 52006573457 is 75437560025.

52006573457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51965305681 + 41267776 = 227959^2 + 6424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52006573457 is a prime.

It is not a weakly prime, because it can be changed into another prime (52006573447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26003286728 + 26003286729.

It is an arithmetic number, because the mean of its divisors is an integer number (26003286729).

Almost surely, 2^52006573457 is an apocalyptic number.

It is an amenable number.

52006573457 is a deficient number, since it is larger than the sum of its proper divisors (1).

52006573457 is an equidigital number, since it uses as much as digits as its factorization.

52006573457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882000, while the sum is 44.

The spelling of 52006573457 in words is "fifty-two billion, six million, five hundred seventy-three thousand, four hundred fifty-seven".