57294439 has 2 divisors, whose sum is σ = 57294440. Its totient is φ = 57294438.

The previous prime is 57294409. The next prime is 57294451. The reversal of 57294439 is 93449275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57294439 - 2⁵ = 57294407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57294395 and 57294404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57294409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28647219 + 28647220.

It is an arithmetic number, because the mean of its divisors is an integer number (28647220).

Almost surely, 2^57294439 is an apocalyptic number.

57294439 is a deficient number, since it is larger than the sum of its proper divisors (1).

57294439 is an equidigital number, since it uses as much as digits as its factorization.

57294439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 57294439 is about 7569.3090173410. The cubic root of 57294439 is about 385.5116355106.

The spelling of 57294439 in words is "fifty-seven million, two hundred ninety-four thousand, four hundred thirty-nine".