47109256 has 8 divisors (see below), whose sum is σ = 88329870. Its totient is φ = 23554624.

The previous prime is 47109239. The next prime is 47109259. The reversal of 47109256 is 65290174.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 2353156 = 6690^2 + 1534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (47109259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2944321 + ... + 2944336.

Almost surely, 2^47109256 is an apocalyptic number.

It is an amenable number.

47109256 is a deficient number, since it is larger than the sum of its proper divisors (41220614).

47109256 is a wasteful number, since it uses less digits than its factorization.

47109256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888663 (or 5888659 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 47109256 is about 6863.6182877546. The cubic root of 47109256 is about 361.1620270052.

The spelling of 47109256 in words is "forty-seven million, one hundred nine thousand, two hundred fifty-six".