47820546 has 24 divisors (see below), whose sum is σ = 103753260. Its totient is φ = 15918336.

The previous prime is 47820527. The next prime is 47820551. The reversal of 47820546 is 64502874.

47820546 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 44076321 + 3744225 = 6639^2 + 1935^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47820546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16846 + ... + 19478.

Almost surely, 2^47820546 is an apocalyptic number.

47820546 is an abundant number, since it is smaller than the sum of its proper divisors (55932714).

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

47820546 is a wasteful number, since it uses less digits than its factorization.

47820546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 47820546 is about 6915.2401259826. The cubic root of 47820546 is about 362.9706508157.

The spelling of 47820546 in words is "forty-seven million, eight hundred twenty thousand, five hundred forty-six".