47155783 has 2 divisors, whose sum is σ = 47155784. Its totient is φ = 47155782.

The previous prime is 47155753. The next prime is 47155813. The reversal of 47155783 is 38755174.

It is a balanced prime because it is at equal distance from previous prime (47155753) and next prime (47155813).

It is a cyclic number.

It is not a de Polignac number, because 47155783 - 2⁵ = 47155751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47155733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23577891 + 23577892.

It is an arithmetic number, because the mean of its divisors is an integer number (23577892).

Almost surely, 2^47155783 is an apocalyptic number.

47155783 is a deficient number, since it is larger than the sum of its proper divisors (1).

47155783 is an equidigital number, since it uses as much as digits as its factorization.

47155783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 40.

The square root of 47155783 is about 6867.0068443245. The cubic root of 47155783 is about 361.2808872749.

The spelling of 47155783 in words is "forty-seven million, one hundred fifty-five thousand, seven hundred eighty-three".