54857875859 has 2 divisors, whose sum is σ = 54857875860. Its totient is φ = 54857875858.

The previous prime is 54857875817. The next prime is 54857875871. The reversal of 54857875859 is 95857875845.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54857875859 - 2¹² = 54857871763 is a prime.

It is a super-2 number, since 2×54857875859² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54857875792 and 54857875801.

It is not a weakly prime, because it can be changed into another prime (54857875879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27428937929 + 27428937930.

It is an arithmetic number, because the mean of its divisors is an integer number (27428937930).

Almost surely, 2^54857875859 is an apocalyptic number.

54857875859 is a deficient number, since it is larger than the sum of its proper divisors (1).

54857875859 is an equidigital number, since it uses as much as digits as its factorization.

54857875859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480000, while the sum is 71.

The spelling of 54857875859 in words is "fifty-four billion, eight hundred fifty-seven million, eight hundred seventy-five thousand, eight hundred fifty-nine".