548391356 has 12 divisors (see below), whose sum is σ = 985622568. Its totient is φ = 266784912.

The previous prime is 548391353. The next prime is 548391383. The reversal of 548391356 is 653193845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548391353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852526 + ... + 1852821.

It is an arithmetic number, because the mean of its divisors is an integer number (82135214).

Almost surely, 2^548391356 is an apocalyptic number.

It is an amenable number.

548391356 is a deficient number, since it is larger than the sum of its proper divisors (437231212).

548391356 is a wasteful number, since it uses less digits than its factorization.

548391356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705388 (or 3705386 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 548391356 is about 23417.7572794664. The cubic root of 548391356 is about 818.5217049645.

The spelling of 548391356 in words is "five hundred forty-eight million, three hundred ninety-one thousand, three hundred fifty-six".