55454331361143 has 48 divisors (see below), whose sum is σ = 88958411762528. Its totient is φ = 30514821638400.

The previous prime is 55454331361111. The next prime is 55454331361147. The reversal of 55454331361143 is 34116313345455.

It is not a de Polignac number, because 55454331361143 - 2⁵ = 55454331361111 is a prime.

It is a super-2 number, since 2×55454331361143² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55454331361092 and 55454331361101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55454331361147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96034180 + ... + 96609897.

Almost surely, 2^{55454331361143} is an apocalyptic number.

55454331361143 is a deficient number, since it is larger than the sum of its proper divisors (33504080401385).

55454331361143 is a wasteful number, since it uses less digits than its factorization.

55454331361143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192644176 (or 192644165 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 48.

The spelling of 55454331361143 in words is "fifty-five trillion, four hundred fifty-four billion, three hundred thirty-one million, three hundred sixty-one thousand, one hundred forty-three".