3555545 has 32 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 2257920.

The previous prime is 3555521. The next prime is 3555551. The reversal of 3555545 is 5455553.

It is a de Polignac number, because none of the positive numbers 2^k-3555545 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31409 + ... + 31521.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

Almost surely, 2^3555545 is an apocalyptic number.

3555545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3555545 is a deficient number, since it is larger than the sum of its proper divisors (1697575).

3555545 is a wasteful number, since it uses less digits than its factorization.

3555545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185.

The product of its digits is 37500, while the sum is 32.

The square root of 3555545 is about 1885.6152841977. The cubic root of 3555545 is about 152.6284146349.

The spelling of 3555545 in words is "three million, five hundred fifty-five thousand, five hundred forty-five".