47561339 has 4 divisors (see below), whose sum is σ = 54355824. Its totient is φ = 40766856.

The previous prime is 47561329. The next prime is 47561341. The reversal of 47561339 is 93316574.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47561339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47561329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3397232 + ... + 3397245.

It is an arithmetic number, because the mean of its divisors is an integer number (13588956).

Almost surely, 2^47561339 is an apocalyptic number.

47561339 is a deficient number, since it is larger than the sum of its proper divisors (6794485).

47561339 is an equidigital number, since it uses as much as digits as its factorization.

47561339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794484.

The product of its digits is 68040, while the sum is 38.

The square root of 47561339 is about 6896.4729391190. The cubic root of 47561339 is about 362.3136456341.

The spelling of 47561339 in words is "forty-seven million, five hundred sixty-one thousand, three hundred thirty-nine".