5551055116550 has 48 divisors (see below), whose sum is σ = 10500410706000. Its totient is φ = 2182734172800.

The previous prime is 5551055116513. The next prime is 5551055116601. The reversal of 5551055116550 is 556115501555.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4646336 + ... + 5717564.

It is an arithmetic number, because the mean of its divisors is an integer number (218758556375).

Almost surely, 2^{5551055116550} is an apocalyptic number.

5551055116550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5551055116550 is a deficient number, since it is larger than the sum of its proper divisors (4949355589450).

5551055116550 is a wasteful number, since it uses less digits than its factorization.

5551055116550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073001 (or 1072996 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 44.

The spelling of 5551055116550 in words is "five trillion, five hundred fifty-one billion, fifty-five million, one hundred sixteen thousand, five hundred fifty".