5509613481 has 8 divisors (see below), whose sum is σ = 7353280704. Its totient is φ = 3669510960.

The previous prime is 5509613471. The next prime is 5509613503. The reversal of 5509613481 is 1843169055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5509613481 - 2⁵ = 5509613449 is a prime.

It is a super-2 number, since 2×5509613481² = 60711681420033874722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5509613471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887566 + ... + 893751.

It is an arithmetic number, because the mean of its divisors is an integer number (919160088).

Almost surely, 2^5509613481 is an apocalyptic number.

It is an amenable number.

5509613481 is a deficient number, since it is larger than the sum of its proper divisors (1843667223).

5509613481 is a wasteful number, since it uses less digits than its factorization.

5509613481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782351.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 5509613481 is about 74226.7706491398. The cubic root of 5509613481 is about 1766.2020216571.

The spelling of 5509613481 in words is "five billion, five hundred nine million, six hundred thirteen thousand, four hundred eighty-one".