548057978 has 8 divisors (see below), whose sum is σ = 885324468. Its totient is φ = 252949824.

The previous prime is 548057971. The next prime is 548057987. The reversal of 548057978 is 879750845.

548057978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 486952489 + 61105489 = 22067^2 + 7817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (548057971) 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, 10539551 + ... + 10539602.

Almost surely, 2^548057978 is an apocalyptic number.

548057978 is a deficient number, since it is larger than the sum of its proper divisors (337266490).

548057978 is a wasteful number, since it uses less digits than its factorization.

548057978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21079168.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The square root of 548057978 is about 23410.6381373939. The cubic root of 548057978 is about 818.3558061403.

The spelling of 548057978 in words is "five hundred forty-eight million, fifty-seven thousand, nine hundred seventy-eight".