555542 has 16 divisors (see below), whose sum is σ = 937440. Its totient is φ = 244992.

The previous prime is 555523. The next prime is 555557. The reversal of 555542 is 245555.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134 + ... + 1062.

It is an arithmetic number, because the mean of its divisors is an integer number (58590).

2⁵⁵⁵⁵⁴² is an apocalyptic number.

555542 is a deficient number, since it is larger than the sum of its proper divisors (381898).

555542 is a wasteful number, since it uses less digits than its factorization.

555542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its digits is 5000, while the sum is 26.

The square root of 555542 is about 745.3468991014. The cubic root of 555542 is about 82.2064005214.

The spelling of 555542 in words is "five hundred fifty-five thousand, five hundred forty-two".