3556406557 has 8 divisors (see below), whose sum is σ = 3917384640. Its totient is φ = 3201706560.

The previous prime is 3556406549. The next prime is 3556406569. The reversal of 3556406557 is 7556046553.

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 3556406557 - 2³ = 3556406549 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 (3556406507) 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, 1568332 + ... + 1570597.

It is an arithmetic number, because the mean of its divisors is an integer number (489673080).

Almost surely, 2^3556406557 is an apocalyptic number.

It is an amenable number.

3556406557 is a deficient number, since it is larger than the sum of its proper divisors (360978083).

3556406557 is a wasteful number, since it uses less digits than its factorization.

3556406557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139043.

The product of its (nonzero) digits is 1890000, while the sum is 46.

The square root of 3556406557 is about 59635.6148371089. The cubic root of 3556406557 is about 1526.4074162084.

The spelling of 3556406557 in words is "three billion, five hundred fifty-six million, four hundred six thousand, five hundred fifty-seven".