5509813977 has 12 divisors (see below), whose sum is σ = 7959375424. Its totient is φ = 3672860760.

The previous prime is 5509813973. The next prime is 5509813979. The reversal of 5509813977 is 7793189055.

5509813977 is a `hidden beast` number, since 550 + 9 + 8 + 13 + 9 + 77 = 666.

It is not a de Polignac number, because 5509813977 - 2² = 5509813973 is a prime.

It is a super-2 number, since 2×5509813977² = 60716100122289113058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5509813973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102348 + ... + 146610.

Almost surely, 2^5509813977 is an apocalyptic number.

It is an amenable number.

5509813977 is a deficient number, since it is larger than the sum of its proper divisors (2449561447).

5509813977 is a wasteful number, since it uses less digits than its factorization.

5509813977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58100 (or 58097 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The square root of 5509813977 is about 74228.1212007956. The cubic root of 5509813977 is about 1766.2234455523.

The spelling of 5509813977 in words is "five billion, five hundred nine million, eight hundred thirteen thousand, nine hundred seventy-seven".