5505977718 has 12 divisors (see below), whose sum is σ = 11929618428. Its totient is φ = 1835325900.

The previous prime is 5505977693. The next prime is 5505977747. The reversal of 5505977718 is 8177795055.

It is a happy number.

5505977718 is a `hidden beast` number, since 550 + 5 + 9 + 7 + 77 + 18 = 666.

It is a super-2 number, since 2×5505977718² = 60631581262224975048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152943808 + ... + 152943843.

It is an arithmetic number, because the mean of its divisors is an integer number (994134869).

Almost surely, 2^5505977718 is an apocalyptic number.

5505977718 is an abundant number, since it is smaller than the sum of its proper divisors (6423640710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5505977718 is a wasteful number, since it uses less digits than its factorization.

5505977718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305887659 (or 305887656 counting only the distinct ones).

The product of its (nonzero) digits is 3087000, while the sum is 54.

The square root of 5505977718 is about 74202.2756928654. The cubic root of 5505977718 is about 1765.8134339033.

The spelling of 5505977718 in words is "five billion, five hundred five million, nine hundred seventy-seven thousand, seven hundred eighteen".