57432773 has 2 divisors, whose sum is σ = 57432774. Its totient is φ = 57432772.

The previous prime is 57432757. The next prime is 57432811. The reversal of 57432773 is 37723475.

It is an a-pointer prime, because the next prime (57432811) can be obtained adding 57432773 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50452609 + 6980164 = 7103^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 57432773 - 2⁴ = 57432757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57432703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28716386 + 28716387.

It is an arithmetic number, because the mean of its divisors is an integer number (28716387).

Almost surely, 2^57432773 is an apocalyptic number.

It is an amenable number.

57432773 is a deficient number, since it is larger than the sum of its proper divisors (1).

57432773 is an equidigital number, since it uses as much as digits as its factorization.

57432773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 38.

The square root of 57432773 is about 7578.4413305112. The cubic root of 57432773 is about 385.8216510770.

The spelling of 57432773 in words is "fifty-seven million, four hundred thirty-two thousand, seven hundred seventy-three".