57225617 has 2 divisors, whose sum is σ = 57225618. Its totient is φ = 57225616.

The previous prime is 57225611. The next prime is 57225631. The reversal of 57225617 is 71652275.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39450961 + 17774656 = 6281^2 + 4216^2 .

It is a cyclic number.

It is not a de Polignac number, because 57225617 - 2¹⁰ = 57224593 is a prime.

It is not a weakly prime, because it can be changed into another prime (57225611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28612808 + 28612809.

It is an arithmetic number, because the mean of its divisors is an integer number (28612809).

Almost surely, 2^57225617 is an apocalyptic number.

It is an amenable number.

57225617 is a deficient number, since it is larger than the sum of its proper divisors (1).

57225617 is an equidigital number, since it uses as much as digits as its factorization.

57225617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29400, while the sum is 35.

The square root of 57225617 is about 7564.7615296188. The cubic root of 57225617 is about 385.3572149851.

The spelling of 57225617 in words is "fifty-seven million, two hundred twenty-five thousand, six hundred seventeen".