53954941621871 has 2 divisors, whose sum is σ = 53954941621872. Its totient is φ = 53954941621870.

The previous prime is 53954941621853. The next prime is 53954941621951. The reversal of 53954941621871 is 17812614945935.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53954941621871 - 2⁶ = 53954941621807 is a prime.

It is a super-2 number, since 2×53954941621871² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53954941621798 and 53954941621807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53954941621571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26977470810935 + 26977470810936.

It is an arithmetic number, because the mean of its divisors is an integer number (26977470810936).

Almost surely, 2^{53954941621871} is an apocalyptic number.

53954941621871 is a deficient number, since it is larger than the sum of its proper divisors (1).

53954941621871 is an equidigital number, since it uses as much as digits as its factorization.

53954941621871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65318400, while the sum is 65.

The spelling of 53954941621871 in words is "fifty-three trillion, nine hundred fifty-four billion, nine hundred forty-one million, six hundred twenty-one thousand, eight hundred seventy-one".