47840550 has 96 divisors (see below), whose sum is σ = 127840032. Its totient is φ = 11796480.

The previous prime is 47840549. The next prime is 47840557. The reversal of 47840550 is 5504874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47840557) 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, 186022 + ... + 186278.

It is an arithmetic number, because the mean of its divisors is an integer number (1331667).

Almost surely, 2^47840550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47840550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63920016).

47840550 is an abundant number, since it is smaller than the sum of its proper divisors (79999482).

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

47840550 is a wasteful number, since it uses less digits than its factorization.

47840550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 47840550 is about 6916.6863453535. The cubic root of 47840550 is about 363.0212556519.

The spelling of 47840550 in words is "forty-seven million, eight hundred forty thousand, five hundred fifty".