3550664557 has 8 divisors (see below), whose sum is σ = 4101302592. Its totient is φ = 3038001600.

The previous prime is 3550664549. The next prime is 3550664581. The reversal of 3550664557 is 7554660553.

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 3550664557 - 2³ = 3550664549 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 (3550664357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9493569 + ... + 9493942.

It is an arithmetic number, because the mean of its divisors is an integer number (512662824).

Almost surely, 2^3550664557 is an apocalyptic number.

It is an amenable number.

3550664557 is a deficient number, since it is larger than the sum of its proper divisors (550638035).

3550664557 is a wasteful number, since it uses less digits than its factorization.

3550664557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18987539.

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

The square root of 3550664557 is about 59587.4530165537. The cubic root of 3550664557 is about 1525.5854861262.

The spelling of 3550664557 in words is "three billion, five hundred fifty million, six hundred sixty-four thousand, five hundred fifty-seven".