5517648 has 30 divisors (see below), whose sum is σ = 15442154. Its totient is φ = 1839168.

The previous prime is 5517643. The next prime is 5517649. The reversal of 5517648 is 8467155.

5517648 is a `hidden beast` number, since 5 + 5 + 1 + 7 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4981824 + 535824 = 2232^2 + 732^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5517641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19015 + ... + 19302.

Almost surely, 2^5517648 is an apocalyptic number.

It is an amenable number.

5517648 is an abundant number, since it is smaller than the sum of its proper divisors (9924506).

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

5517648 is a wasteful number, since it uses less digits than its factorization.

5517648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38331 (or 38322 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 5517648 is about 2348.9674327244. The cubic root of 5517648 is about 176.7060139407.

It can be divided in two parts, 5 and 517648, that added together give a triangular number (517653 = T₁₀₁₇).

The spelling of 5517648 in words is "five million, five hundred seventeen thousand, six hundred forty-eight".