3551204545 has 48 divisors (see below), whose sum is σ = 5300362368. Its totient is φ = 2235709440.

The previous prime is 3551204507. The next prime is 3551204581. The reversal of 3551204545 is 5454021553.

It is not a de Polignac number, because 3551204545 - 2¹¹ = 3551202497 is a prime.

It is a super-2 number, since 2×3551204545² = 25222107440857314050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3551204545.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 410434 + ... + 418996.

It is an arithmetic number, because the mean of its divisors is an integer number (110424216).

Almost surely, 2^3551204545 is an apocalyptic number.

3551204545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3551204545 is a deficient number, since it is larger than the sum of its proper divisors (1749157823).

3551204545 is a wasteful number, since it uses less digits than its factorization.

3551204545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8650 (or 8633 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 3551204545 is about 59591.9838988433. The cubic root of 3551204545 is about 1525.6628196398.

The spelling of 3551204545 in words is "three billion, five hundred fifty-one million, two hundred four thousand, five hundred forty-five".