5521457813 has 8 divisors (see below), whose sum is σ = 5713697280. Its totient is φ = 5329341360.

The previous prime is 5521457803. The next prime is 5521457849. The reversal of 5521457813 is 3187541255.

It is a happy number.

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 5521457813 - 2²² = 5517263509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521457803) 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, 65756 + ... + 123962.

It is an arithmetic number, because the mean of its divisors is an integer number (714212160).

Almost surely, 2^5521457813 is an apocalyptic number.

It is an amenable number.

5521457813 is a deficient number, since it is larger than the sum of its proper divisors (192239467).

5521457813 is a wasteful number, since it uses less digits than its factorization.

5521457813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61507.

The product of its digits is 168000, while the sum is 41.

The square root of 5521457813 is about 74306.5125880632. The cubic root of 5521457813 is about 1767.4667510536.

The spelling of 5521457813 in words is "five billion, five hundred twenty-one million, four hundred fifty-seven thousand, eight hundred thirteen".