548643450 has 48 divisors (see below), whose sum is σ = 1392294816. Its totient is φ = 142900800.

The previous prime is 548643443. The next prime is 548643451. The reversal of 548643450 is 54346845.

It is a junction number, because it is equal to n+sod(n) for n = 548643399 and 548643408.

It is not an unprimeable number, because it can be changed into a prime (548643451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36081 + ... + 48980.

It is an arithmetic number, because the mean of its divisors is an integer number (29006142).

Almost surely, 2^548643450 is an apocalyptic number.

548643450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

548643450 is an abundant number, since it is smaller than the sum of its proper divisors (843651366).

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

548643450 is a wasteful number, since it uses less digits than its factorization.

548643450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85119 (or 85114 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 548643450 is about 23423.1392003719. The cubic root of 548643450 is about 818.6471098101.

The spelling of 548643450 in words is "five hundred forty-eight million, six hundred forty-three thousand, four hundred fifty".