5551691055 has 16 divisors (see below), whose sum is σ = 8927347200. Its totient is φ = 2946021408.

The previous prime is 5551691029. The next prime is 5551691063. The reversal of 5551691055 is 5501961555.

5551691055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5551691055 - 2²² = 5547496751 is a prime.

It is a super-3 number, since 3×5551691055³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5551690998 and 5551691016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926947 + ... + 932916.

It is an arithmetic number, because the mean of its divisors is an integer number (557959200).

Almost surely, 2^5551691055 is an apocalyptic number.

5551691055 is a deficient number, since it is larger than the sum of its proper divisors (3375656145).

5551691055 is a wasteful number, since it uses less digits than its factorization.

5551691055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860070.

The product of its (nonzero) digits is 168750, while the sum is 42.

The square root of 5551691055 is about 74509.6708823761. The cubic root of 5551691055 is about 1770.6868555837.

The spelling of 5551691055 in words is "five billion, five hundred fifty-one million, six hundred ninety-one thousand, fifty-five".