547383816 has 192 divisors, whose sum is σ = 1856649600. Its totient is φ = 142055424.

The previous prime is 547383791. The next prime is 547383817. The reversal of 547383816 is 618383745.

547383816 = 2155² + 2156² + ... + 2266².

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (547383817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247371 + ... + 249573.

It is an arithmetic number, because the mean of its divisors is an integer number (9670050).

Almost surely, 2^547383816 is an apocalyptic number.

547383816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 547383816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928324800).

547383816 is an abundant number, since it is smaller than the sum of its proper divisors (1309265784).

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

547383816 is a wasteful number, since it uses less digits than its factorization.

547383816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 2261 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 547383816 is about 23396.2350817391. The cubic root of 547383816 is about 818.0201173509.

The spelling of 547383816 in words is "five hundred forty-seven million, three hundred eighty-three thousand, eight hundred sixteen".