47453893 has 2 divisors, whose sum is σ = 47453894. Its totient is φ = 47453892.

The previous prime is 47453881. The next prime is 47453909. The reversal of 47453893 is 39835474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46009089 + 1444804 = 6783^2 + 1202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47453893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47453863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23726946 + 23726947.

It is an arithmetic number, because the mean of its divisors is an integer number (23726947).

Almost surely, 2^47453893 is an apocalyptic number.

It is an amenable number.

47453893 is a deficient number, since it is larger than the sum of its proper divisors (1).

47453893 is an equidigital number, since it uses as much as digits as its factorization.

47453893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 47453893 is about 6888.6786105900. The cubic root of 47453893 is about 362.0406052149.

The spelling of 47453893 in words is "forty-seven million, four hundred fifty-three thousand, eight hundred ninety-three".