5515216 has 40 divisors (see below), whose sum is σ = 12749184. Its totient is φ = 2259840.

The previous prime is 5515207. The next prime is 5515217. The reversal of 5515216 is 6125155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506 + ... + 3646.

Almost surely, 2^5515216 is an apocalyptic number.

5515216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5515216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6374592).

5515216 is an abundant number, since it is smaller than the sum of its proper divisors (7233968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5515216 is a wasteful number, since it uses less digits than its factorization.

5515216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2173 counting only the distinct ones).

The product of its digits is 1500, while the sum is 25.

The square root of 5515216 is about 2348.4497013988. The cubic root of 5515216 is about 176.6800480351.

The spelling of 5515216 in words is "five million, five hundred fifteen thousand, two hundred sixteen".