557541 has 6 divisors (see below), whose sum is σ = 805350. Its totient is φ = 371688.

The previous prime is 557537. The next prime is 557551. The reversal of 557541 is 145755.

It can be written as a sum of positive squares in only one way, i.e., 497025 + 60516 = 705^2 + 246^2 .

It is not a de Polignac number, because 557541 - 2² = 557537 is a prime.

It is an Ulam number.

557541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30966 + ... + 30983.

It is an arithmetic number, because the mean of its divisors is an integer number (134225).

2⁵⁵⁷⁵⁴¹ is an apocalyptic number.

It is an amenable number.

557541 is a deficient number, since it is larger than the sum of its proper divisors (247809).

557541 is a wasteful number, since it uses less digits than its factorization.

557541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61955 (or 61952 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 557541 is about 746.6866812794. The cubic root of 557541 is about 82.3048832553.

It can be divided in two parts, 55754 and 1, that added together give a palindrome (55755).

The spelling of 557541 in words is "five hundred fifty-seven thousand, five hundred forty-one".