47919253 has 4 divisors (see below), whose sum is σ = 47934208. Its totient is φ = 47904300.

The previous prime is 47919251. The next prime is 47919257. The reversal of 47919253 is 35291974.

47919253 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 47919253 - 2¹ = 47919251 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 (47919251) 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, 501 + ... + 9802.

It is an arithmetic number, because the mean of its divisors is an integer number (11983552).

Almost surely, 2^47919253 is an apocalyptic number.

It is an amenable number.

47919253 is a deficient number, since it is larger than the sum of its proper divisors (14955).

47919253 is a wasteful number, since it uses less digits than its factorization.

47919253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14954.

The product of its digits is 68040, while the sum is 40.

The square root of 47919253 is about 6922.3733646778. The cubic root of 47919253 is about 363.2202166364.

The spelling of 47919253 in words is "forty-seven million, nine hundred nineteen thousand, two hundred fifty-three".