5516451551 has 8 divisors (see below), whose sum is σ = 5947534320. Its totient is φ = 5086331712.

The previous prime is 5516451547. The next prime is 5516451587. The reversal of 5516451551 is 1551546155.

5516451551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5516451551 - 2² = 5516451547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5516451511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228806 + ... + 251763.

It is an arithmetic number, because the mean of its divisors is an integer number (743441790).

Almost surely, 2^5516451551 is an apocalyptic number.

5516451551 is a deficient number, since it is larger than the sum of its proper divisors (431082769).

5516451551 is a wasteful number, since it uses less digits than its factorization.

5516451551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481465.

The product of its digits is 75000, while the sum is 38.

The square root of 5516451551 is about 74272.8183860018. The cubic root of 5516451551 is about 1766.9324068315.

The spelling of 5516451551 in words is "five billion, five hundred sixteen million, four hundred fifty-one thousand, five hundred fifty-one".