5517623 has 4 divisors (see below), whose sum is σ = 5595408. Its totient is φ = 5439840.

The previous prime is 5517599. The next prime is 5517637. The reversal of 5517623 is 3267155.

5517623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3267155 = 5 ⋅653431.

It is a cyclic number.

It is not a de Polignac number, because 5517623 - 2¹² = 5513527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5517643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38786 + ... + 38927.

It is an arithmetic number, because the mean of its divisors is an integer number (1398852).

Almost surely, 2^5517623 is an apocalyptic number.

5517623 is a deficient number, since it is larger than the sum of its proper divisors (77785).

5517623 is an equidigital number, since it uses as much as digits as its factorization.

5517623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77784.

The product of its digits is 6300, while the sum is 29.

The square root of 5517623 is about 2348.9621112313. The cubic root of 5517623 is about 176.7057470603.

The spelling of 5517623 in words is "five million, five hundred seventeen thousand, six hundred twenty-three".