5566601557 has 8 divisors (see below), whose sum is σ = 6201862272. Its totient is φ = 4952875200.

The previous prime is 5566601549. The next prime is 5566601563. The reversal of 5566601557 is 7551066655.

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 5566601557 - 2³ = 5566601549 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 (5566602557) 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, 5383044 + ... + 5384077.

It is an arithmetic number, because the mean of its divisors is an integer number (775232784).

Almost surely, 2^5566601557 is an apocalyptic number.

It is an amenable number.

5566601557 is a deficient number, since it is larger than the sum of its proper divisors (635260715).

5566601557 is a wasteful number, since it uses less digits than its factorization.

5566601557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10767179.

The product of its (nonzero) digits is 945000, while the sum is 46.

The square root of 5566601557 is about 74609.6612845816. The cubic root of 5566601557 is about 1772.2706510153.

The spelling of 5566601557 in words is "five billion, five hundred sixty-six million, six hundred one thousand, five hundred fifty-seven".