5573987 has 4 divisors (see below), whose sum is σ = 5600616. Its totient is φ = 5547360.

The previous prime is 5573969. The next prime is 5573989. The reversal of 5573987 is 7893755.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5573987 - 2⁸ = 5573731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5573989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12998 + ... + 13419.

It is an arithmetic number, because the mean of its divisors is an integer number (1400154).

Almost surely, 2^5573987 is an apocalyptic number.

5573987 is a deficient number, since it is larger than the sum of its proper divisors (26629).

5573987 is a wasteful number, since it uses less digits than its factorization.

5573987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26628.

The product of its digits is 264600, while the sum is 44.

The square root of 5573987 is about 2360.9292662001. The cubic root of 5573987 is about 177.3054086500.

The spelling of 5573987 in words is "five million, five hundred seventy-three thousand, nine hundred eighty-seven".