548942 has 4 divisors (see below), whose sum is σ = 823416. Its totient is φ = 274470.

The previous prime is 548927. The next prime is 548953. The reversal of 548942 is 249845.

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

It is a d-powerful number, because it can be written as 5² + 4 + 9⁶ + 8² + 4⁵ + 2¹⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 548899 and 548908.

It is a congruent number.

It is an unprimeable number.

548942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137234 + ... + 137237.

It is an arithmetic number, because the mean of its divisors is an integer number (205854).

2⁵⁴⁸⁹⁴² is an apocalyptic number.

548942 is a deficient number, since it is larger than the sum of its proper divisors (274474).

548942 is a wasteful number, since it uses less digits than its factorization.

548942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274473.

The product of its digits is 11520, while the sum is 32.

The square root of 548942 is about 740.9062018906. The cubic root of 548942 is about 81.8795574644.

The spelling of 548942 in words is "five hundred forty-eight thousand, nine hundred forty-two".