57047743 has 2 divisors, whose sum is σ = 57047744. Its totient is φ = 57047742.

The previous prime is 57047651. The next prime is 57047789. The reversal of 57047743 is 34774075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57047743 - 2⁹ = 57047231 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57042743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28523871 + 28523872.

It is an arithmetic number, because the mean of its divisors is an integer number (28523872).

Almost surely, 2^57047743 is an apocalyptic number.

57047743 is a deficient number, since it is larger than the sum of its proper divisors (1).

57047743 is an equidigital number, since it uses as much as digits as its factorization.

57047743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 57047743 is about 7552.9956308739. The cubic root of 57047743 is about 384.9575328433.

The spelling of 57047743 in words is "fifty-seven million, forty-seven thousand, seven hundred forty-three".