54564140623 has 2 divisors, whose sum is σ = 54564140624. Its totient is φ = 54564140622.

The previous prime is 54564140513. The next prime is 54564140651. The reversal of 54564140623 is 32604146545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54564140623 - 2²⁵ = 54530586191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54564140693) 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, 27282070311 + 27282070312.

It is an arithmetic number, because the mean of its divisors is an integer number (27282070312).

Almost surely, 2^54564140623 is an apocalyptic number.

54564140623 is a deficient number, since it is larger than the sum of its proper divisors (1).

54564140623 is an equidigital number, since it uses as much as digits as its factorization.

54564140623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 54564140623 in words is "fifty-four billion, five hundred sixty-four million, one hundred forty thousand, six hundred twenty-three".