47796545 has 4 divisors (see below), whose sum is σ = 57355860. Its totient is φ = 38237232.

The previous prime is 47796517. The next prime is 47796547. The reversal of 47796545 is 54569774.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33965584 + 13830961 = 5828^2 + 3719^2 .

It is a cyclic number.

It is not a de Polignac number, because 47796545 - 2⁶ = 47796481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47796545.

It is not an unprimeable number, because it can be changed into a prime (47796547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4779650 + ... + 4779659.

It is an arithmetic number, because the mean of its divisors is an integer number (14338965).

Almost surely, 2^47796545 is an apocalyptic number.

It is an amenable number.

47796545 is a deficient number, since it is larger than the sum of its proper divisors (9559315).

47796545 is an equidigital number, since it uses as much as digits as its factorization.

47796545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559314.

The product of its digits is 1058400, while the sum is 47.

The square root of 47796545 is about 6913.5045382208. The cubic root of 47796545 is about 362.9099159978.

The spelling of 47796545 in words is "forty-seven million, seven hundred ninety-six thousand, five hundred forty-five".