5597421 has 16 divisors (see below), whose sum is σ = 7707840. Its totient is φ = 3611520.

The previous prime is 5597413. The next prime is 5597461. The reversal of 5597421 is 1247955.

It is not a de Polignac number, because 5597421 - 2³ = 5597413 is a prime.

It is a super-2 number, since 2×5597421² = 62662243702482, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5597411) 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 15 ways as a sum of consecutive naturals, for example, 13150 + ... + 13568.

It is an arithmetic number, because the mean of its divisors is an integer number (481740).

Almost surely, 2^5597421 is an apocalyptic number.

It is an amenable number.

5597421 is a deficient number, since it is larger than the sum of its proper divisors (2110419).

5597421 is a wasteful number, since it uses less digits than its factorization.

5597421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its digits is 12600, while the sum is 33.

The square root of 5597421 is about 2365.8869372817. The cubic root of 5597421 is about 177.5535353957.

The spelling of 5597421 in words is "five million, five hundred ninety-seven thousand, four hundred twenty-one".