557653 has 4 divisors (see below), whose sum is σ = 563500. Its totient is φ = 551808.

The previous prime is 557639. The next prime is 557663. The reversal of 557653 is 356755.

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

It can be written as a sum of positive squares in 2 ways, for example, as 97969 + 459684 = 313^2 + 678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (140875).

2⁵⁵⁷⁶⁵³ is an apocalyptic number.

It is an amenable number.

557653 is a deficient number, since it is larger than the sum of its proper divisors (5847).

557653 is an equidigital number, since it uses as much as digits as its factorization.

557653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846.

The product of its digits is 15750, while the sum is 31.

The square root of 557653 is about 746.7616755030. The cubic root of 557653 is about 82.3103940785.

The spelling of 557653 in words is "five hundred fifty-seven thousand, six hundred fifty-three".