3550212221543 has 16 divisors (see below), whose sum is σ = 3852754752000. Its totient is φ = 3251880159840.

The previous prime is 3550212221483. The next prime is 3550212221557. The reversal of 3550212221543 is 3451222120553.

It is a de Polignac number, because none of the positive numbers 2^k-3550212221543 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 (3550212221593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28068758 + ... + 28194956.

It is an arithmetic number, because the mean of its divisors is an integer number (240797172000).

Almost surely, 2^{3550212221543} is an apocalyptic number.

3550212221543 is a deficient number, since it is larger than the sum of its proper divisors (302542530457).

3550212221543 is a wasteful number, since it uses less digits than its factorization.

3550212221543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142862.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 3550212221543 in words is "three trillion, five hundred fifty billion, two hundred twelve million, two hundred twenty-one thousand, five hundred forty-three".