5515520641 has 8 divisors (see below), whose sum is σ = 5675877504. Its totient is φ = 5356955760.

The previous prime is 5515520627. The next prime is 5515520653. The reversal of 5515520641 is 1460255155.

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

It is a cyclic number.

It is not a de Polignac number, because 5515520641 - 2⁵ = 5515520609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5515520597 and 5515520606.

It is not an unprimeable number, because it can be changed into a prime (5515520141) 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, 441750 + ... + 454063.

It is an arithmetic number, because the mean of its divisors is an integer number (709484688).

Almost surely, 2^5515520641 is an apocalyptic number.

It is an amenable number.

5515520641 is a deficient number, since it is larger than the sum of its proper divisors (160356863).

5515520641 is a wasteful number, since it uses less digits than its factorization.

5515520641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895991.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 5515520641 is about 74266.5512932976. The cubic root of 5515520641 is about 1766.8330103527.

Adding to 5515520641 its reverse (1460255155), we get a palindrome (6975775796).

The spelling of 5515520641 in words is "five billion, five hundred fifteen million, five hundred twenty thousand, six hundred forty-one".