47112545 has 4 divisors (see below), whose sum is σ = 56535060. Its totient is φ = 37690032.

The previous prime is 47112539. The next prime is 47112551. The reversal of 47112545 is 54521174.

47112545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54521174 = 2 ⋅27260587.

It is an interprime number because it is at equal distance from previous prime (47112539) and next prime (47112551).

It can be written as a sum of positive squares in 2 ways, for example, as 8386816 + 38725729 = 2896^2 + 6223^2 .

It is a cyclic number.

It is not a de Polignac number, because 47112545 - 2¹² = 47108449 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4711250 + ... + 4711259.

It is an arithmetic number, because the mean of its divisors is an integer number (14133765).

Almost surely, 2^47112545 is an apocalyptic number.

It is an amenable number.

47112545 is a deficient number, since it is larger than the sum of its proper divisors (9422515).

47112545 is an equidigital number, since it uses as much as digits as its factorization.

47112545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422514.

The product of its digits is 5600, while the sum is 29.

The square root of 47112545 is about 6863.8578802303. The cubic root of 47112545 is about 361.1704318238.

The spelling of 47112545 in words is "forty-seven million, one hundred twelve thousand, five hundred forty-five".