548957 has 2 divisors, whose sum is σ = 548958. Its totient is φ = 548956.

The previous prime is 548953. The next prime is 548963. The reversal of 548957 is 759845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538756 + 10201 = 734^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 548957 - 2² = 548953 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 548957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274478 + 274479.

It is an arithmetic number, because the mean of its divisors is an integer number (274479).

2⁵⁴⁸⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

548957 is a deficient number, since it is larger than the sum of its proper divisors (1).

548957 is an equidigital number, since it uses as much as digits as its factorization.

548957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 38.

The square root of 548957 is about 740.9163245603. The cubic root of 548957 is about 81.8803032518.

The spelling of 548957 in words is "five hundred forty-eight thousand, nine hundred fifty-seven".