47563021 has 16 divisors (see below), whose sum is σ = 54130176. Its totient is φ = 41400000.

The previous prime is 47563007. The next prime is 47563039. The reversal of 47563021 is 12036574.

It is a cyclic number.

It is not a de Polignac number, because 47563021 - 2⁹ = 47562509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47563051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33751 + ... + 35131.

It is an arithmetic number, because the mean of its divisors is an integer number (3383136).

Almost surely, 2^47563021 is an apocalyptic number.

It is an amenable number.

47563021 is a deficient number, since it is larger than the sum of its proper divisors (6567155).

47563021 is a wasteful number, since it uses less digits than its factorization.

47563021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 47563021 is about 6896.5948844339. The cubic root of 47563021 is about 362.3179166407.

Adding to 47563021 its reverse (12036574), we get a palindrome (59599595).

It can be divided in two parts, 4756 and 3021, that added together give a palindrome (7777).

The spelling of 47563021 in words is "forty-seven million, five hundred sixty-three thousand, twenty-one".