5511145 has 16 divisors (see below), whose sum is σ = 7309440. Its totient is φ = 3967744.

The previous prime is 5511137. The next prime is 5511151. The reversal of 5511145 is 5411155.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5511145 - 2³ = 5511137 is a prime.

It is a super-2 number, since 2×5511145² = 60745438422050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546 + ... + 3364.

It is an arithmetic number, because the mean of its divisors is an integer number (456840).

Almost surely, 2^5511145 is an apocalyptic number.

It is an amenable number.

5511145 is a deficient number, since it is larger than the sum of its proper divisors (1798295).

5511145 is a wasteful number, since it uses less digits than its factorization.

5511145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864.

The product of its digits is 500, while the sum is 22.

The square root of 5511145 is about 2347.5827993917. The cubic root of 5511145 is about 176.6365658142.

The spelling of 5511145 in words is "five million, five hundred eleven thousand, one hundred forty-five".