54220016511523 has 2 divisors, whose sum is σ = 54220016511524. Its totient is φ = 54220016511522.

The previous prime is 54220016511491. The next prime is 54220016511553. The reversal of 54220016511523 is 32511561002245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54220016511523 - 2⁵ = 54220016511491 is a prime.

It is not a weakly prime, because it can be changed into another prime (54220016511553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27110008255761 + 27110008255762.

It is an arithmetic number, because the mean of its divisors is an integer number (27110008255762).

Almost surely, 2^{54220016511523} is an apocalyptic number.

54220016511523 is a deficient number, since it is larger than the sum of its proper divisors (1).

54220016511523 is an equidigital number, since it uses as much as digits as its factorization.

54220016511523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 54220016511523 its reverse (32511561002245), we get a palindrome (86731577513768).

The spelling of 54220016511523 in words is "fifty-four trillion, two hundred twenty billion, sixteen million, five hundred eleven thousand, five hundred twenty-three".