57104609 has 2 divisors, whose sum is σ = 57104610. Its totient is φ = 57104608.

The previous prime is 57104599. The next prime is 57104617. The reversal of 57104609 is 90640175.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56851600 + 253009 = 7540^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 57104609 - 2²⁴ = 40327393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57104669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28552304 + 28552305.

It is an arithmetic number, because the mean of its divisors is an integer number (28552305).

Almost surely, 2^57104609 is an apocalyptic number.

It is an amenable number.

57104609 is a deficient number, since it is larger than the sum of its proper divisors (1).

57104609 is an equidigital number, since it uses as much as digits as its factorization.

57104609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 57104609 is about 7556.7591598515. The cubic root of 57104609 is about 385.0854007435.

The spelling of 57104609 in words is "fifty-seven million, one hundred four thousand, six hundred nine".