47947755 has 32 divisors (see below), whose sum is σ = 81782784. Its totient is φ = 23931776.

The previous prime is 47947741. The next prime is 47947763. The reversal of 47947755 is 55774974.

It is a happy number.

It is not a de Polignac number, because 47947755 - 2⁵ = 47947723 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14737 + ... + 17693.

It is an arithmetic number, because the mean of its divisors is an integer number (2555712).

Almost surely, 2^47947755 is an apocalyptic number.

47947755 is a deficient number, since it is larger than the sum of its proper divisors (33835029).

47947755 is a wasteful number, since it uses less digits than its factorization.

47947755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035.

The product of its digits is 1234800, while the sum is 48.

The square root of 47947755 is about 6924.4317456380. The cubic root of 47947755 is about 363.2922158859.

The spelling of 47947755 in words is "forty-seven million, nine hundred forty-seven thousand, seven hundred fifty-five".