5509779054 has 32 divisors (see below), whose sum is σ = 11928737184. Its totient is φ = 1686528000.

The previous prime is 5509779047. The next prime is 5509779097. The reversal of 5509779054 is 4509779055.

It is a junction number, because it is equal to n+sod(n) for n = 5509778988 and 5509779006.

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, 167947 + ... + 198054.

It is an arithmetic number, because the mean of its divisors is an integer number (372773037).

Almost surely, 2^5509779054 is an apocalyptic number.

5509779054 is an abundant number, since it is smaller than the sum of its proper divisors (6418958130).

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

5509779054 is a wasteful number, since it uses less digits than its factorization.

5509779054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366212.

The product of its (nonzero) digits is 1984500, while the sum is 51.

The square root of 5509779054 is about 74227.8859593886. The cubic root of 5509779054 is about 1766.2197139108.

Subtracting from 5509779054 its reverse (4509779055), we obtain a palindrome (999999999).

The spelling of 5509779054 in words is "five billion, five hundred nine million, seven hundred seventy-nine thousand, fifty-four".