57004469 has 2 divisors, whose sum is σ = 57004470. Its totient is φ = 57004468.

The previous prime is 57004433. The next prime is 57004481. The reversal of 57004469 is 96440075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29052100 + 27952369 = 5390^2 + 5287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57004469 is a prime.

It is a super-2 number, since 2×57004469² = 6499018971943922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57004429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28502234 + 28502235.

It is an arithmetic number, because the mean of its divisors is an integer number (28502235).

Almost surely, 2^57004469 is an apocalyptic number.

It is an amenable number.

57004469 is a deficient number, since it is larger than the sum of its proper divisors (1).

57004469 is an equidigital number, since it uses as much as digits as its factorization.

57004469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 57004469 is about 7550.1303962250. The cubic root of 57004469 is about 384.8601707312.

The spelling of 57004469 in words is "fifty-seven million, four thousand, four hundred sixty-nine".