557376 has 28 divisors (see below), whose sum is σ = 1475232. Its totient is φ = 185728.

The previous prime is 557371. The next prime is 557377. The reversal of 557376 is 673755.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557371) by changing a digit.

557376 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260 + ... + 1643.

2⁵⁵⁷³⁷⁶ is an apocalyptic number.

It is an amenable number.

557376 is an abundant number, since it is smaller than the sum of its proper divisors (917856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557376 is a wasteful number, since it uses less digits than its factorization.

557376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918 (or 2908 counting only the distinct ones).

The product of its digits is 22050, while the sum is 33.

The square root of 557376 is about 746.5761849939. The cubic root of 557376 is about 82.2967632870.

Adding to 557376 its product of digits (22050), we get a triangular number (579426 = T₁₀₇₆).

The spelling of 557376 in words is "five hundred fifty-seven thousand, three hundred seventy-six".