47240255 has 4 divisors (see below), whose sum is σ = 56688312. Its totient is φ = 37792200.

The previous prime is 47240243. The next prime is 47240257. The reversal of 47240255 is 55204274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55204274 = 2 ⋅27602137.

It is not a de Polignac number, because 47240255 - 2¹² = 47236159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47240257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4724021 + ... + 4724030.

It is an arithmetic number, because the mean of its divisors is an integer number (14172078).

Almost surely, 2^47240255 is an apocalyptic number.

47240255 is a deficient number, since it is larger than the sum of its proper divisors (9448057).

47240255 is an equidigital number, since it uses as much as digits as its factorization.

47240255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448056.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 47240255 is about 6873.1546614346. The cubic root of 47240255 is about 361.4964841224.

The spelling of 47240255 in words is "forty-seven million, two hundred forty thousand, two hundred fifty-five".