54531220622553 has 24 divisors (see below), whose sum is σ = 78974187866496. Its totient is φ = 36258692976000.

The previous prime is 54531220622407. The next prime is 54531220622569. The reversal of 54531220622553 is 35522602213545.

54531220622553 is a `hidden beast` number, since 5 + 4 + 5 + 3 + 12 + 2 + 0 + 622 + 5 + 5 + 3 = 666.

It is not a de Polignac number, because 54531220622553 - 2²⁶ = 54531153513689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54531220622499 and 54531220622508.

It is not an unprimeable number, because it can be changed into a prime (54531220622573) 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 in 23 ways as a sum of consecutive naturals, for example, 26400676 + ... + 28391162.

It is an arithmetic number, because the mean of its divisors is an integer number (3290591161104).

Almost surely, 2^{54531220622553} is an apocalyptic number.

It is an amenable number.

54531220622553 is a deficient number, since it is larger than the sum of its proper divisors (24442967243943).

54531220622553 is a wasteful number, since it uses less digits than its factorization.

54531220622553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998485 (or 1998482 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 54531220622553 in words is "fifty-four trillion, five hundred thirty-one billion, two hundred twenty million, six hundred twenty-two thousand, five hundred fifty-three".