47142853 has 8 divisors (see below), whose sum is σ = 49979160. Its totient is φ = 44313600.

The previous prime is 47142841. The next prime is 47142863. The reversal of 47142853 is 35824174.

It can be written as a sum of positive squares in 4 ways, for example, as 5579044 + 41563809 = 2362^2 + 6447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47142853 - 2²¹ = 45045701 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 (47142863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19263 + ... + 21571.

It is an arithmetic number, because the mean of its divisors is an integer number (6247395).

Almost surely, 2^47142853 is an apocalyptic number.

It is an amenable number.

47142853 is a deficient number, since it is larger than the sum of its proper divisors (2836307).

47142853 is a wasteful number, since it uses less digits than its factorization.

47142853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527.

The product of its digits is 26880, while the sum is 34.

The square root of 47142853 is about 6866.0653215652. The cubic root of 47142853 is about 361.2478634788.

The spelling of 47142853 in words is "forty-seven million, one hundred forty-two thousand, eight hundred fifty-three".