54525656223517 has 2 divisors, whose sum is σ = 54525656223518. Its totient is φ = 54525656223516.

The previous prime is 54525656223499. The next prime is 54525656223569. The reversal of 54525656223517 is 71532265652545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51249190593316 + 3276465630201 = 7158854^2 + 1810101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54525656223517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54525656223587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27262828111758 + 27262828111759.

It is an arithmetic number, because the mean of its divisors is an integer number (27262828111759).

Almost surely, 2^{54525656223517} is an apocalyptic number.

It is an amenable number.

54525656223517 is a deficient number, since it is larger than the sum of its proper divisors (1).

54525656223517 is an equidigital number, since it uses as much as digits as its factorization.

54525656223517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600000, while the sum is 58.

The spelling of 54525656223517 in words is "fifty-four trillion, five hundred twenty-five billion, six hundred fifty-six million, two hundred twenty-three thousand, five hundred seventeen".