47748453 has 4 divisors (see below), whose sum is σ = 63664608. Its totient is φ = 31832300.

The previous prime is 47748451. The next prime is 47748479. The reversal of 47748453 is 35484774.

47748453 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47748453 - 2¹ = 47748451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47748451) 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 3 ways as a sum of consecutive naturals, for example, 7958073 + ... + 7958078.

It is an arithmetic number, because the mean of its divisors is an integer number (15916152).

Almost surely, 2^47748453 is an apocalyptic number.

It is an amenable number.

47748453 is a deficient number, since it is larger than the sum of its proper divisors (15916155).

47748453 is a wasteful number, since it uses less digits than its factorization.

47748453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15916154.

The product of its digits is 376320, while the sum is 42.

The square root of 47748453 is about 6910.0255426445. The cubic root of 47748453 is about 362.7881574021.

The spelling of 47748453 in words is "forty-seven million, seven hundred forty-eight thousand, four hundred fifty-three".