5511890 has 16 divisors (see below), whose sum is σ = 10190232. Its totient is φ = 2145024.

The previous prime is 5511871. The next prime is 5511901. The reversal of 5511890 is 981155.

It can be written as a sum of positive squares in 4 ways, for example, as 5508409 + 3481 = 2347^2 + 59^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7079 + ... + 7818.

Almost surely, 2^5511890 is an apocalyptic number.

5511890 is a deficient number, since it is larger than the sum of its proper divisors (4678342).

5511890 is a wasteful number, since it uses less digits than its factorization.

5511890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14941.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 5511890 is about 2347.7414678793. The cubic root of 5511890 is about 176.6445247358.

The spelling of 5511890 in words is "five million, five hundred eleven thousand, eight hundred ninety".