3545550 has 36 divisors (see below), whose sum is σ = 9526920. Its totient is φ = 945360.

The previous prime is 3545497. The next prime is 3545567. The reversal of 3545550 is 555453.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3490 + ... + 4389.

Almost surely, 2^3545550 is an apocalyptic number.

3545550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3545550 is an abundant number, since it is smaller than the sum of its proper divisors (5981370).

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

3545550 is a wasteful number, since it uses less digits than its factorization.

3545550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897 (or 7889 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 3545550 is about 1882.9630904508. The cubic root of 3545550 is about 152.4852623938.

It can be divided in two parts, 3545 and 550, that added together give a triangular number (4095 = T₉₀).

The spelling of 3545550 in words is "three million, five hundred forty-five thousand, five hundred fifty".