55434255111 has 36 divisors (see below), whose sum is σ = 81793912200. Its totient is φ = 36174441600.

The previous prime is 55434255103. The next prime is 55434255127. The reversal of 55434255111 is 11155243455.

55434255111 is a `hidden beast` number, since 5 + 54 + 3 + 42 + 551 + 11 = 666.

It is not a de Polignac number, because 55434255111 - 2³ = 55434255103 is a prime.

It is a super-2 number, since 2×55434255111² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55434205111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7196340 + ... + 7204038.

Almost surely, 2^55434255111 is an apocalyptic number.

55434255111 is a deficient number, since it is larger than the sum of its proper divisors (26359657089).

55434255111 is a wasteful number, since it uses less digits than its factorization.

55434255111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7984 (or 7892 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

Adding to 55434255111 its reverse (11155243455), we get a palindrome (66589498566).

The spelling of 55434255111 in words is "fifty-five billion, four hundred thirty-four million, two hundred fifty-five thousand, one hundred eleven".