47975983 has 8 divisors (see below), whose sum is σ = 52491600. Its totient is φ = 43486080.

The previous prime is 47975959. The next prime is 47976011. The reversal of 47975983 is 38957974.

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

It is a de Polignac number, because none of the positive numbers 2^k-47975983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47975983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47975783) 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, 2410 + ... + 10087.

It is an arithmetic number, because the mean of its divisors is an integer number (6561450).

Almost surely, 2^47975983 is an apocalyptic number.

47975983 is a deficient number, since it is larger than the sum of its proper divisors (4515617).

47975983 is a wasteful number, since it uses less digits than its factorization.

47975983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857.

The product of its digits is 1905120, while the sum is 52.

The square root of 47975983 is about 6926.4697357312. The cubic root of 47975983 is about 363.3634948635.

Subtracting from 47975983 its reverse (38957974), we obtain a square (9018009 = 3003²).

The spelling of 47975983 in words is "forty-seven million, nine hundred seventy-five thousand, nine hundred eighty-three".