54563230504621 has 2 divisors, whose sum is σ = 54563230504622. Its totient is φ = 54563230504620.

The previous prime is 54563230504619. The next prime is 54563230504667. The reversal of 54563230504621 is 12640503236545.

It is an a-pointer prime, because the next prime (54563230504667) can be obtained adding 54563230504621 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39131768180521 + 15431462324100 = 6255539^2 + 3928290^2 .

It is a cyclic number.

It is not a de Polignac number, because 54563230504621 - 2¹ = 54563230504619 is a prime.

It is a super-2 number, since 2×54563230504621² (a number of 28 digits) contains 22 as substring.

Together with 54563230504619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54563230504691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27281615252310 + 27281615252311.

It is an arithmetic number, because the mean of its divisors is an integer number (27281615252311).

Almost surely, 2^{54563230504621} is an apocalyptic number.

It is an amenable number.

54563230504621 is a deficient number, since it is larger than the sum of its proper divisors (1).

54563230504621 is an equidigital number, since it uses as much as digits as its factorization.

54563230504621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 54563230504621 in words is "fifty-four trillion, five hundred sixty-three billion, two hundred thirty million, five hundred four thousand, six hundred twenty-one".