57477647 has 2 divisors, whose sum is σ = 57477648. Its totient is φ = 57477646.

The previous prime is 57477643. The next prime is 57477653. The reversal of 57477647 is 74677475.

57477647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57477647 - 2² = 57477643 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57477643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28738823 + 28738824.

It is an arithmetic number, because the mean of its divisors is an integer number (28738824).

Almost surely, 2^57477647 is an apocalyptic number.

57477647 is a deficient number, since it is larger than the sum of its proper divisors (1).

57477647 is an equidigital number, since it uses as much as digits as its factorization.

57477647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152480, while the sum is 47.

The square root of 57477647 is about 7581.4013876064. The cubic root of 57477647 is about 385.9221097099.

The spelling of 57477647 in words is "fifty-seven million, four hundred seventy-seven thousand, six hundred forty-seven".