54166212853 has 2 divisors, whose sum is σ = 54166212854. Its totient is φ = 54166212852.

The previous prime is 54166212823. The next prime is 54166212887. The reversal of 54166212853 is 35821266145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30555739204 + 23610473649 = 174802^2 + 153657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54166212853 is a prime.

It is a super-2 number, since 2×54166212853² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54166212823) 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, 27083106426 + 27083106427.

It is an arithmetic number, because the mean of its divisors is an integer number (27083106427).

Almost surely, 2^54166212853 is an apocalyptic number.

It is an amenable number.

54166212853 is a deficient number, since it is larger than the sum of its proper divisors (1).

54166212853 is an equidigital number, since it uses as much as digits as its factorization.

54166212853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 43.

Adding to 54166212853 its reverse (35821266145), we get a palindrome (89987478998).

The spelling of 54166212853 in words is "fifty-four billion, one hundred sixty-six million, two hundred twelve thousand, eight hundred fifty-three".