5551288623 has 6 divisors (see below), whose sum is σ = 8018528024. Its totient is φ = 3700859076.

The previous prime is 5551288597. The next prime is 5551288657. The reversal of 5551288623 is 3268821555.

5551288623 is a `hidden beast` number, since 5 + 5 + 5 + 12 + 8 + 8 + 623 = 666.

5551288623 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 5551288623 - 2²⁶ = 5484179759 is a prime.

It is a super-2 number, since 2×5551288623² = 61633610751698472258, which 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 (5551288123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308404915 + ... + 308404932.

Almost surely, 2^5551288623 is an apocalyptic number.

5551288623 is a deficient number, since it is larger than the sum of its proper divisors (2467239401).

5551288623 is a wasteful number, since it uses less digits than its factorization.

5551288623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616809853 (or 616809850 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 5551288623 is about 74506.9702980869. The cubic root of 5551288623 is about 1770.6440699252.

The spelling of 5551288623 in words is "five billion, five hundred fifty-one million, two hundred eighty-eight thousand, six hundred twenty-three".