555694 has 4 divisors (see below), whose sum is σ = 833544. Its totient is φ = 277846.

The previous prime is 555691. The next prime is 555697. The reversal of 555694 is 496555.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (555691) and next prime (555697).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555691) 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 as a sum of consecutive naturals, namely, 138922 + ... + 138925.

It is an arithmetic number, because the mean of its divisors is an integer number (208386).

2⁵⁵⁵⁶⁹⁴ is an apocalyptic number.

555694 is a deficient number, since it is larger than the sum of its proper divisors (277850).

555694 is a wasteful number, since it uses less digits than its factorization.

555694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277849.

The product of its digits is 27000, while the sum is 34.

The square root of 555694 is about 745.4488580714. The cubic root of 555694 is about 82.2138972444.

The spelling of 555694 in words is "five hundred fifty-five thousand, six hundred ninety-four".