52697744401 has 2 divisors, whose sum is σ = 52697744402. Its totient is φ = 52697744400.

The previous prime is 52697744381. The next prime is 52697744467. The reversal of 52697744401 is 10444779625.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32175749376 + 20521995025 = 179376^2 + 143255^2 .

It is a cyclic number.

It is not a de Polignac number, because 52697744401 - 2⁵ = 52697744369 is a prime.

It is not a weakly prime, because it can be changed into another prime (58697744401) 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, 26348872200 + 26348872201.

It is an arithmetic number, because the mean of its divisors is an integer number (26348872201).

Almost surely, 2^52697744401 is an apocalyptic number.

It is an amenable number.

52697744401 is a deficient number, since it is larger than the sum of its proper divisors (1).

52697744401 is an equidigital number, since it uses as much as digits as its factorization.

52697744401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 52697744401 in words is "fifty-two billion, six hundred ninety-seven million, seven hundred forty-four thousand, four hundred one".