5519897 has 4 divisors (see below), whose sum is σ = 5624100. Its totient is φ = 5415696.

The previous prime is 5519893. The next prime is 5519903. The reversal of 5519897 is 7989155.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4477456 + 1042441 = 2116^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 5519897 - 2² = 5519893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5519893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52022 + ... + 52127.

It is an arithmetic number, because the mean of its divisors is an integer number (1406025).

Almost surely, 2^5519897 is an apocalyptic number.

It is an amenable number.

5519897 is a deficient number, since it is larger than the sum of its proper divisors (104203).

5519897 is a wasteful number, since it uses less digits than its factorization.

5519897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104202.

The product of its digits is 113400, while the sum is 44.

The square root of 5519897 is about 2349.4461049362. The cubic root of 5519897 is about 176.7300192078.

The spelling of 5519897 in words is "five million, five hundred nineteen thousand, eight hundred ninety-seven".