3553091 has 4 divisors (see below), whose sum is σ = 3562752. Its totient is φ = 3543432.

The previous prime is 3553087. The next prime is 3553097. The reversal of 3553091 is 1903553.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3553091 - 2² = 3553087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3553091.

It is not an unprimeable number, because it can be changed into a prime (3553097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256 + ... + 5021.

It is an arithmetic number, because the mean of its divisors is an integer number (890688).

Almost surely, 2^3553091 is an apocalyptic number.

3553091 is a deficient number, since it is larger than the sum of its proper divisors (9661).

3553091 is an equidigital number, since it uses as much as digits as its factorization.

3553091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 3553091 is about 1884.9644558983. The cubic root of 3553091 is about 152.5932923745.

The spelling of 3553091 in words is "three million, five hundred fifty-three thousand, ninety-one".