555396 has 24 divisors (see below), whose sum is σ = 1338624. Its totient is φ = 179040.

The previous prime is 555391. The next prime is 555419. The reversal of 555396 is 693555.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 555396.

It is not an unprimeable number, because it can be changed into a prime (555391) by changing a digit.

555396 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 7 ways as a sum of consecutive naturals, for example, 375 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (55776).

2⁵⁵⁵³⁹⁶ is an apocalyptic number.

It is an amenable number.

555396 is an abundant number, since it is smaller than the sum of its proper divisors (783228).

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

555396 is a wasteful number, since it uses less digits than its factorization.

555396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531 (or 1529 counting only the distinct ones).

The product of its digits is 20250, while the sum is 33.

The square root of 555396 is about 745.2489516933. The cubic root of 555396 is about 82.1991984341.

The spelling of 555396 in words is "five hundred fifty-five thousand, three hundred ninety-six".