5546455454551 has 24 divisors (see below), whose sum is σ = 6144037663232. Its totient is φ = 5003031646800.

The previous prime is 5546455454467. The next prime is 5546455454569. The reversal of 5546455454551 is 1554545546455.

It is a de Polignac number, because none of the positive numbers 2^k-5546455454551 is a prime.

It is a super-2 number, since 2×5546455454551² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5546455454651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11740216 + ... + 12203506.

Almost surely, 2^{5546455454551} is an apocalyptic number.

5546455454551 is a deficient number, since it is larger than the sum of its proper divisors (597582208681).

5546455454551 is a wasteful number, since it uses less digits than its factorization.

5546455454551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464083 (or 464072 counting only the distinct ones).

The product of its digits is 120000000, while the sum is 58.

It can be divided in two parts, 5546455 and 454551, that added together give a palindrome (6001006).

The spelling of 5546455454551 in words is "five trillion, five hundred forty-six billion, four hundred fifty-five million, four hundred fifty-four thousand, five hundred fifty-one".