54531220622523 has 4 divisors (see below), whose sum is σ = 72708294163368. Its totient is φ = 36354147081680.

The previous prime is 54531220622407. The next prime is 54531220622569. The reversal of 54531220622523 is 32522602213545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54531220622523 - 2¹⁶ = 54531220556987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54531220622573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9088536770418 + ... + 9088536770423.

It is an arithmetic number, because the mean of its divisors is an integer number (18177073540842).

Almost surely, 2^{54531220622523} is an apocalyptic number.

54531220622523 is a deficient number, since it is larger than the sum of its proper divisors (18177073540845).

54531220622523 is a wasteful number, since it uses less digits than its factorization.

54531220622523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18177073540844.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 54531220622523 in words is "fifty-four trillion, five hundred thirty-one billion, two hundred twenty million, six hundred twenty-two thousand, five hundred twenty-three".