53078664928249 has 2 divisors, whose sum is σ = 53078664928250. Its totient is φ = 53078664928248.

The previous prime is 53078664928213. The next prime is 53078664928271. The reversal of 53078664928249 is 94282946687035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30183014124649 + 22895650803600 = 5493907^2 + 4784940^2 .

It is a cyclic number.

It is not a de Polignac number, because 53078664928249 - 2²⁷ = 53078530710521 is a prime.

It is not a weakly prime, because it can be changed into another prime (53078664926249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26539332464124 + 26539332464125.

It is an arithmetic number, because the mean of its divisors is an integer number (26539332464125).

Almost surely, 2^{53078664928249} is an apocalyptic number.

It is an amenable number.

53078664928249 is a deficient number, since it is larger than the sum of its proper divisors (1).

53078664928249 is an equidigital number, since it uses as much as digits as its factorization.

53078664928249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1254113280, while the sum is 73.

The spelling of 53078664928249 in words is "fifty-three trillion, seventy-eight billion, six hundred sixty-four million, nine hundred twenty-eight thousand, two hundred forty-nine".