3550745856 has 144 divisors (see below), whose sum is σ = 10857728000. Its totient is φ = 1009096704.

The previous prime is 3550745843. The next prime is 3550745867. The reversal of 3550745856 is 6585470553.

It is a super-2 number, since 2×3550745856² = 25215592267802345472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068165 + ... + 1071483.

Almost surely, 2^3550745856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3550745856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5428864000).

3550745856 is an abundant number, since it is smaller than the sum of its proper divisors (7306982144).

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

3550745856 is a wasteful number, since it uses less digits than its factorization.

3550745856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544 (or 3530 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 48.

The square root of 3550745856 is about 59588.1351948523. The cubic root of 3550745856 is about 1525.5971297332.

The spelling of 3550745856 in words is "three billion, five hundred fifty million, seven hundred forty-five thousand, eight hundred fifty-six".