54015681823 has 2 divisors, whose sum is σ = 54015681824. Its totient is φ = 54015681822.

The previous prime is 54015681787. The next prime is 54015681857. The reversal of 54015681823 is 32818651045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54015681823 - 2¹³ = 54015673631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54015681823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54015681883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27007840911 + 27007840912.

It is an arithmetic number, because the mean of its divisors is an integer number (27007840912).

Almost surely, 2^54015681823 is an apocalyptic number.

54015681823 is a deficient number, since it is larger than the sum of its proper divisors (1).

54015681823 is an equidigital number, since it uses as much as digits as its factorization.

54015681823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 54015681823 in words is "fifty-four billion, fifteen million, six hundred eighty-one thousand, eight hundred twenty-three".