52445413477 has 2 divisors, whose sum is σ = 52445413478. Its totient is φ = 52445413476.

The previous prime is 52445413463. The next prime is 52445413513. The reversal of 52445413477 is 77431454425.

It is a happy number.

52445413477 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., 36233503201 + 16211910276 = 190351^2 + 127326^2 .

It is a cyclic number.

It is not a de Polignac number, because 52445413477 - 2¹¹ = 52445411429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52445413417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26222706738 + 26222706739.

It is an arithmetic number, because the mean of its divisors is an integer number (26222706739).

Almost surely, 2^52445413477 is an apocalyptic number.

It is an amenable number.

52445413477 is a deficient number, since it is larger than the sum of its proper divisors (1).

52445413477 is an equidigital number, since it uses as much as digits as its factorization.

52445413477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 46.

The spelling of 52445413477 in words is "fifty-two billion, four hundred forty-five million, four hundred thirteen thousand, four hundred seventy-seven".