5513065944 has 32 divisors (see below), whose sum is σ = 13801259520. Its totient is φ = 1835209376.

The previous prime is 5513065931. The next prime is 5513065979. The reversal of 5513065944 is 4495603155.

It is a super-2 number, since 2×5513065944² = 60787792205785222272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5513065896 and 5513065905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136752 + ... + 172415.

It is an arithmetic number, because the mean of its divisors is an integer number (431289360).

Almost surely, 2^5513065944 is an apocalyptic number.

It is an amenable number.

5513065944 is an abundant number, since it is smaller than the sum of its proper divisors (8288193576).

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

5513065944 is a wasteful number, since it uses less digits than its factorization.

5513065944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309919 (or 309915 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 5513065944 is about 74250.0231919156. The cubic root of 5513065944 is about 1766.5708602291.

The spelling of 5513065944 in words is "five billion, five hundred thirteen million, sixty-five thousand, nine hundred forty-four".