3555445401 has 16 divisors (see below), whose sum is σ = 5268331200. Its totient is φ = 2369844864.

The previous prime is 3555445381. The next prime is 3555445423. The reversal of 3555445401 is 1045445553.

It is not a de Polignac number, because 3555445401 - 2³⁰ = 2481703577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3555445001) 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 15 ways as a sum of consecutive naturals, for example, 192510 + ... + 210168.

It is an arithmetic number, because the mean of its divisors is an integer number (329270700).

Almost surely, 2^3555445401 is an apocalyptic number.

It is an amenable number.

3555445401 is a deficient number, since it is larger than the sum of its proper divisors (1712885799).

3555445401 is a wasteful number, since it uses less digits than its factorization.

3555445401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25125 (or 25119 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 3555445401 is about 59627.5557188118. Note that the first 3 decimals coincide. The cubic root of 3555445401 is about 1526.2698946389.

The spelling of 3555445401 in words is "three billion, five hundred fifty-five million, four hundred forty-five thousand, four hundred one".