52457354197 has 2 divisors, whose sum is σ = 52457354198. Its totient is φ = 52457354196.

The previous prime is 52457354171. The next prime is 52457354233. The reversal of 52457354197 is 79145375425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48594234481 + 3863119716 = 220441^2 + 62154^2 .

It is a cyclic number.

It is not a de Polignac number, because 52457354197 - 2³¹ = 50309870549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52457324197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26228677098 + 26228677099.

It is an arithmetic number, because the mean of its divisors is an integer number (26228677099).

Almost surely, 2^52457354197 is an apocalyptic number.

It is an amenable number.

52457354197 is a deficient number, since it is larger than the sum of its proper divisors (1).

52457354197 is an equidigital number, since it uses as much as digits as its factorization.

52457354197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292000, while the sum is 52.

The spelling of 52457354197 in words is "fifty-two billion, four hundred fifty-seven million, three hundred fifty-four thousand, one hundred ninety-seven".