52904730691997 has 2 divisors, whose sum is σ = 52904730691998. Its totient is φ = 52904730691996.

The previous prime is 52904730691951. The next prime is 52904730692081. The reversal of 52904730691997 is 79919603740925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50513343711076 + 2391386980921 = 7107274^2 + 1546411^2 .

It is a cyclic number.

It is not a de Polignac number, because 52904730691997 - 2⁸ = 52904730691741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52904730691997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52904730691907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26452365345998 + 26452365345999.

It is an arithmetic number, because the mean of its divisors is an integer number (26452365345999).

Almost surely, 2^{52904730691997} is an apocalyptic number.

It is an amenable number.

52904730691997 is a deficient number, since it is larger than the sum of its proper divisors (1).

52904730691997 is an equidigital number, since it uses as much as digits as its factorization.

52904730691997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 231472080, while the sum is 71.

The spelling of 52904730691997 in words is "fifty-two trillion, nine hundred four billion, seven hundred thirty million, six hundred ninety-one thousand, nine hundred ninety-seven".