5597557 has 4 divisors (see below), whose sum is σ = 6397216. Its totient is φ = 4797900.

The previous prime is 5597549. The next prime is 5597561. The reversal of 5597557 is 7557955.

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 5597557 - 2³ = 5597549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5597587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399819 + ... + 399832.

It is an arithmetic number, because the mean of its divisors is an integer number (1599304).

Almost surely, 2^5597557 is an apocalyptic number.

It is an amenable number.

5597557 is a deficient number, since it is larger than the sum of its proper divisors (799659).

5597557 is an equidigital number, since it uses as much as digits as its factorization.

5597557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799658.

The product of its digits is 275625, while the sum is 43.

The square root of 5597557 is about 2365.9156789708. The cubic root of 5597557 is about 177.5549733844.

It can be divided in two parts, 55 and 97557, that multiplied together give a palindrome (5365635).

The spelling of 5597557 in words is "five million, five hundred ninety-seven thousand, five hundred fifty-seven".