47256549 has 16 divisors (see below), whose sum is σ = 67977792. Its totient is φ = 29090048.

The previous prime is 47256533. The next prime is 47256551. The reversal of 47256549 is 94565274.

47256549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47256549 - 2⁴ = 47256533 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 47256549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47256509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6039 + ... + 11444.

It is an arithmetic number, because the mean of its divisors is an integer number (4248612).

Almost surely, 2^47256549 is an apocalyptic number.

It is an amenable number.

47256549 is a deficient number, since it is larger than the sum of its proper divisors (20721243).

47256549 is a wasteful number, since it uses less digits than its factorization.

47256549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17556.

The product of its digits is 302400, while the sum is 42.

The square root of 47256549 is about 6874.3398955827. The cubic root of 47256549 is about 361.5380415231.

The spelling of 47256549 in words is "forty-seven million, two hundred fifty-six thousand, five hundred forty-nine".