47545441 has 4 divisors (see below), whose sum is σ = 47560084. Its totient is φ = 47530800.

The previous prime is 47545387. The next prime is 47545451. The reversal of 47545441 is 14454574.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14454574 = 2 ⋅7227287.

It can be written as a sum of positive squares in 2 ways, for example, as 33640000 + 13905441 = 5800^2 + 3729^2 .

It is a cyclic number.

It is not a de Polignac number, because 47545441 - 2⁹ = 47544929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47545397 and 47545406.

It is not an unprimeable number, because it can be changed into a prime (47545451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30 + ... + 9751.

It is an arithmetic number, because the mean of its divisors is an integer number (11890021).

Almost surely, 2^47545441 is an apocalyptic number.

It is an amenable number.

47545441 is a deficient number, since it is larger than the sum of its proper divisors (14643).

47545441 is an equidigital number, since it uses as much as digits as its factorization.

47545441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14642.

The product of its digits is 44800, while the sum is 34.

The square root of 47545441 is about 6895.3202246161. The cubic root of 47545441 is about 362.2732717761.

The spelling of 47545441 in words is "forty-seven million, five hundred forty-five thousand, four hundred forty-one".