5519921 has 8 divisors (see below), whose sum is σ = 6044544. Its totient is φ = 4999120.

The previous prime is 5519909. The next prime is 5519933. The reversal of 5519921 is 1299155.

It is an interprime number because it is at equal distance from previous prime (5519909) and next prime (5519933).

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 5519921 - 2²² = 1325617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5519321) 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, 2696 + ... + 4278.

It is an arithmetic number, because the mean of its divisors is an integer number (755568).

Almost surely, 2^5519921 is an apocalyptic number.

It is an amenable number.

5519921 is a deficient number, since it is larger than the sum of its proper divisors (524623).

5519921 is a wasteful number, since it uses less digits than its factorization.

5519921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911.

The product of its digits is 4050, while the sum is 32.

The square root of 5519921 is about 2349.4512125175. The cubic root of 5519921 is about 176.7302753427.

It can be divided in two parts, 551 and 9921, that multiplied together give a triangular number (5466471 = T₃₃₀₆).

The spelling of 5519921 in words is "five million, five hundred nineteen thousand, nine hundred twenty-one".