5573997 has 48 divisors (see below), whose sum is σ = 9749376. Its totient is φ = 3024000.

The previous prime is 5573993. The next prime is 5573999. The reversal of 5573997 is 7993755.

It is a happy number.

5573997 is a `hidden beast` number, since 557 + 3 + 9 + 97 = 666.

It is not a de Polignac number, because 5573997 - 2² = 5573993 is a prime.

5573997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5573993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78472 + ... + 78542.

It is an arithmetic number, because the mean of its divisors is an integer number (203112).

Almost surely, 2^5573997 is an apocalyptic number.

It is an amenable number.

5573997 is a deficient number, since it is larger than the sum of its proper divisors (4175379).

5573997 is a wasteful number, since it uses less digits than its factorization.

5573997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 159 counting only the distinct ones).

The product of its digits is 297675, while the sum is 45.

The square root of 5573997 is about 2360.9313840093. The cubic root of 5573997 is about 177.3055146814.

It can be divided in two parts, 557 and 3997, that added together give a palindrome (4554).

The spelling of 5573997 in words is "five million, five hundred seventy-three thousand, nine hundred ninety-seven".