47953321 has 24 divisors (see below), whose sum is σ = 56981120. Its totient is φ = 40002336.

The previous prime is 47953319. The next prime is 47953331. The reversal of 47953321 is 12335974.

It is not a de Polignac number, because 47953321 - 2¹ = 47953319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47953331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130480 + ... + 130846.

Almost surely, 2^47953321 is an apocalyptic number.

It is an amenable number.

47953321 is a deficient number, since it is larger than the sum of its proper divisors (9027799).

47953321 is a wasteful number, since it uses less digits than its factorization.

47953321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 422 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 47953321 is about 6924.8336442112. The cubic root of 47953321 is about 363.3062728960.

The spelling of 47953321 in words is "forty-seven million, nine hundred fifty-three thousand, three hundred twenty-one".