54857355923 has 2 divisors, whose sum is σ = 54857355924. Its totient is φ = 54857355922.

The previous prime is 54857355877. The next prime is 54857355983. The reversal of 54857355923 is 32955375845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54857355923 - 2¹⁰ = 54857354899 is a prime.

It is not a weakly prime, because it can be changed into another prime (54857355983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27428677961 + 27428677962.

It is an arithmetic number, because the mean of its divisors is an integer number (27428677962).

Almost surely, 2^54857355923 is an apocalyptic number.

54857355923 is a deficient number, since it is larger than the sum of its proper divisors (1).

54857355923 is an equidigital number, since it uses as much as digits as its factorization.

54857355923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680000, while the sum is 56.

The spelling of 54857355923 in words is "fifty-four billion, eight hundred fifty-seven million, three hundred fifty-five thousand, nine hundred twenty-three".