5517421 has 8 divisors (see below), whose sum is σ = 6790784. Its totient is φ = 4365360.

The previous prime is 5517419. The next prime is 5517427. The reversal of 5517421 is 1247155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5517421 - 2¹ = 5517419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5517427) 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, 30225 + ... + 30406.

It is an arithmetic number, because the mean of its divisors is an integer number (848848).

Almost surely, 2^5517421 is an apocalyptic number.

It is an amenable number.

5517421 is a deficient number, since it is larger than the sum of its proper divisors (1273363).

5517421 is a wasteful number, since it uses less digits than its factorization.

5517421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60651.

The product of its digits is 1400, while the sum is 25.

The square root of 5517421 is about 2348.9191131242. The cubic root of 5517421 is about 176.7035906367.

The spelling of 5517421 in words is "five million, five hundred seventeen thousand, four hundred twenty-one".