5509397 has 4 divisors (see below), whose sum is σ = 5748960. Its totient is φ = 5269836.

The previous prime is 5509393. The next prime is 5509409. The reversal of 5509397 is 7939055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5509397 - 2² = 5509393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5509397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509393) 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, 119747 + ... + 119792.

It is an arithmetic number, because the mean of its divisors is an integer number (1437240).

Almost surely, 2^5509397 is an apocalyptic number.

It is an amenable number.

5509397 is a deficient number, since it is larger than the sum of its proper divisors (239563).

5509397 is a wasteful number, since it uses less digits than its factorization.

5509397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239562.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 5509397 is about 2347.2104720284. The cubic root of 5509397 is about 176.6178889110.

The spelling of 5509397 in words is "five million, five hundred nine thousand, three hundred ninety-seven".