5521556517 has 4 divisors (see below), whose sum is σ = 7362075360. Its totient is φ = 3681037676.

The previous prime is 5521556507. The next prime is 5521556519. The reversal of 5521556517 is 7156551255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5521556517 - 2⁴ = 5521556501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521556519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920259417 + ... + 920259422.

It is an arithmetic number, because the mean of its divisors is an integer number (1840518840).

Almost surely, 2^5521556517 is an apocalyptic number.

It is an amenable number.

5521556517 is a deficient number, since it is larger than the sum of its proper divisors (1840518843).

5521556517 is a wasteful number, since it uses less digits than its factorization.

5521556517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840518842.

The product of its digits is 262500, while the sum is 42.

The square root of 5521556517 is about 74307.1767529893. The cubic root of 5521556517 is about 1767.4772829942.

The spelling of 5521556517 in words is "five billion, five hundred twenty-one million, five hundred fifty-six thousand, five hundred seventeen".