47056157 has 2 divisors, whose sum is σ = 47056158. Its totient is φ = 47056156.

The previous prime is 47056129. The next prime is 47056159. The reversal of 47056157 is 75165074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29658916 + 17397241 = 5446^2 + 4171^2 .

It is a cyclic number.

It is not a de Polignac number, because 47056157 - 2¹⁶ = 46990621 is a prime.

Together with 47056159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47056159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23528078 + 23528079.

It is an arithmetic number, because the mean of its divisors is an integer number (23528079).

Almost surely, 2^47056157 is an apocalyptic number.

It is an amenable number.

47056157 is a deficient number, since it is larger than the sum of its proper divisors (1).

47056157 is an equidigital number, since it uses as much as digits as its factorization.

47056157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 47056157 is about 6859.7490478880. The cubic root of 47056157 is about 361.0262819037.

The spelling of 47056157 in words is "forty-seven million, fifty-six thousand, one hundred fifty-seven".