47820255 has 16 divisors (see below), whose sum is σ = 87442944. Its totient is φ = 21860640.

The previous prime is 47820251. The next prime is 47820271. The reversal of 47820255 is 55202874.

It is not a de Polignac number, because 47820255 - 2² = 47820251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47820251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227611 + ... + 227820.

It is an arithmetic number, because the mean of its divisors is an integer number (5465184).

Almost surely, 2^47820255 is an apocalyptic number.

47820255 is a deficient number, since it is larger than the sum of its proper divisors (39622689).

47820255 is a wasteful number, since it uses less digits than its factorization.

47820255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455446.

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

The square root of 47820255 is about 6915.2190854665. The cubic root of 47820255 is about 362.9699145584.

The spelling of 47820255 in words is "forty-seven million, eight hundred twenty thousand, two hundred fifty-five".