5545511 has 4 divisors (see below), whose sum is σ = 5837400. Its totient is φ = 5253624.

The previous prime is 5545499. The next prime is 5545513. The reversal of 5545511 is 1155455.

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 5545511 - 2⁶ = 5545447 is a prime.

It is a super-2 number, since 2×5545511² = 61505384502242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545513) 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, 145916 + ... + 145953.

It is an arithmetic number, because the mean of its divisors is an integer number (1459350).

Almost surely, 2^5545511 is an apocalyptic number.

5545511 is a deficient number, since it is larger than the sum of its proper divisors (291889).

5545511 is a wasteful number, since it uses less digits than its factorization.

5545511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291888.

The product of its digits is 2500, while the sum is 26.

The square root of 5545511 is about 2354.8908679597. The cubic root of 5545511 is about 177.0029578064.

The spelling of 5545511 in words is "five million, five hundred forty-five thousand, five hundred eleven".