3505542558 has 128 divisors (see below), whose sum is σ = 8572870656. Its totient is φ = 934502400.

The previous prime is 3505542499. The next prime is 3505542559. The reversal of 3505542558 is 8552455053.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505542559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5177716 + ... + 5178392.

It is an arithmetic number, because the mean of its divisors is an integer number (66975552).

Almost surely, 2^3505542558 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3505542558, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4286435328).

3505542558 is an abundant number, since it is smaller than the sum of its proper divisors (5067328098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3505542558 is a wasteful number, since it uses less digits than its factorization.

3505542558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 600000, while the sum is 42.

The square root of 3505542558 is about 59207.6224653549. The cubic root of 3505542558 is about 1519.0955142297.

The spelling of 3505542558 in words is "three billion, five hundred five million, five hundred forty-two thousand, five hundred fifty-eight".