57004429 has 2 divisors, whose sum is σ = 57004430. Its totient is φ = 57004428.

The previous prime is 57004421. The next prime is 57004433. The reversal of 57004429 is 92440075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38316100 + 18688329 = 6190^2 + 4323^2 .

It is a cyclic number.

It is not a de Polignac number, because 57004429 - 2³ = 57004421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57004429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57004421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28502214 + 28502215.

It is an arithmetic number, because the mean of its divisors is an integer number (28502215).

Almost surely, 2^57004429 is an apocalyptic number.

It is an amenable number.

57004429 is a deficient number, since it is larger than the sum of its proper divisors (1).

57004429 is an equidigital number, since it uses as much as digits as its factorization.

57004429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 57004429 is about 7550.1277472636. The cubic root of 57004429 is about 384.8600807125.

The spelling of 57004429 in words is "fifty-seven million, four thousand, four hundred twenty-nine".