3550421064 has 64 divisors (see below), whose sum is σ = 9040760640. Its totient is φ = 1161596160.

The previous prime is 3550421057. The next prime is 3550421087. The reversal of 3550421064 is 4601240553.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763354 + ... + 767990.

It is an arithmetic number, because the mean of its divisors is an integer number (141261885).

Almost surely, 2^3550421064 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 3550421064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4520380320).

3550421064 is an abundant number, since it is smaller than the sum of its proper divisors (5490339576).

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

3550421064 is a wasteful number, since it uses less digits than its factorization.

3550421064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230 (or 5226 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 3550421064 is about 59585.4098248892. The cubic root of 3550421064 is about 1525.5506121026.

The spelling of 3550421064 in words is "three billion, five hundred fifty million, four hundred twenty-one thousand, sixty-four".