54554728062431 has 2 divisors, whose sum is σ = 54554728062432. Its totient is φ = 54554728062430.

The previous prime is 54554728062413. The next prime is 54554728062473. The reversal of 54554728062431 is 13426082745545.

Together with previous prime (54554728062413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54554728062431 is a prime.

It is a super-2 number, since 2×54554728062431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54554728062491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27277364031215 + 27277364031216.

It is an arithmetic number, because the mean of its divisors is an integer number (27277364031216).

Almost surely, 2^{54554728062431} is an apocalyptic number.

54554728062431 is a deficient number, since it is larger than the sum of its proper divisors (1).

54554728062431 is an equidigital number, since it uses as much as digits as its factorization.

54554728062431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256000, while the sum is 56.

The spelling of 54554728062431 in words is "fifty-four trillion, five hundred fifty-four billion, seven hundred twenty-eight million, sixty-two thousand, four hundred thirty-one".