47283505 has 8 divisors (see below), whose sum is σ = 56867112. Its totient is φ = 37742208.

The previous prime is 47283499. The next prime is 47283517. The reversal of 47283505 is 50538274.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22363441 + 24920064 = 4729^2 + 4992^2 .

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 47283505 - 2⁹ = 47282993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8062 + ... + 12631.

It is an arithmetic number, because the mean of its divisors is an integer number (7108389).

Almost surely, 2^47283505 is an apocalyptic number.

It is an amenable number.

47283505 is a deficient number, since it is larger than the sum of its proper divisors (9583607).

47283505 is a wasteful number, since it uses less digits than its factorization.

47283505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21155.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 47283505 is about 6876.3002406818. The cubic root of 47283505 is about 361.6067710940.

The spelling of 47283505 in words is "forty-seven million, two hundred eighty-three thousand, five hundred five".