5216655 has 16 divisors (see below), whose sum is σ = 8375904. Its totient is φ = 2772480.

The previous prime is 5216623. The next prime is 5216663. The reversal of 5216655 is 5566125.

It is a Cunningham number, because it is equal to 2284²-1.

It is not a de Polignac number, because 5216655 - 2⁵ = 5216623 is a prime.

5216655 is a lucky number.

It is a congruent number.

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, 6475 + ... + 7235.

It is an arithmetic number, because the mean of its divisors is an integer number (523494).

Almost surely, 2^5216655 is an apocalyptic number.

5216655 is a deficient number, since it is larger than the sum of its proper divisors (3159249).

5216655 is a wasteful number, since it uses less digits than its factorization.

5216655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

The product of its digits is 9000, while the sum is 30.

The square root of 5216655 is about 2283.9997810858. Note that the first 3 decimals coincide. The cubic root of 5216655 is about 173.4325882060.

The spelling of 5216655 in words is "five million, two hundred sixteen thousand, six hundred fifty-five".