54696993851 has 2 divisors, whose sum is σ = 54696993852. Its totient is φ = 54696993850.

The previous prime is 54696993829. The next prime is 54696993863. The reversal of 54696993851 is 15839969645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54696993851 - 2⁶ = 54696993787 is a prime.

It is a super-2 number, since 2×54696993851² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54696993821) 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, 27348496925 + 27348496926.

It is an arithmetic number, because the mean of its divisors is an integer number (27348496926).

Almost surely, 2^54696993851 is an apocalyptic number.

54696993851 is a deficient number, since it is larger than the sum of its proper divisors (1).

54696993851 is an equidigital number, since it uses as much as digits as its factorization.

54696993851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62985600, while the sum is 65.

The spelling of 54696993851 in words is "fifty-four billion, six hundred ninety-six million, nine hundred ninety-three thousand, eight hundred fifty-one".