548678772 has 90 divisors (see below), whose sum is σ = 1475360502. Its totient is φ = 177806016.

The previous prime is 548678771. The next prime is 548678783. The reversal of 548678772 is 277876845.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 379314576 + 169364196 = 19476^2 + 13014^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548678771) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 442938 + ... + 444174.

Almost surely, 2^548678772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 548678772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737680251).

548678772 is an abundant number, since it is smaller than the sum of its proper divisors (926681730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

548678772 is a wasteful number, since it uses less digits than its factorization.

548678772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1279 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The square root of 548678772 is about 23423.8931862319. The cubic root of 548678772 is about 818.6646777666.

The spelling of 548678772 in words is "five hundred forty-eight million, six hundred seventy-eight thousand, seven hundred seventy-two".