57420653 has 2 divisors, whose sum is σ = 57420654. Its totient is φ = 57420652.

The previous prime is 57420631. The next prime is 57420659. The reversal of 57420653 is 35602475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38775529 + 18645124 = 6227^2 + 4318^2 .

It is a cyclic number.

It is not a de Polignac number, because 57420653 - 2⁶ = 57420589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57420659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28710326 + 28710327.

It is an arithmetic number, because the mean of its divisors is an integer number (28710327).

Almost surely, 2^57420653 is an apocalyptic number.

It is an amenable number.

57420653 is a deficient number, since it is larger than the sum of its proper divisors (1).

57420653 is an equidigital number, since it uses as much as digits as its factorization.

57420653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 57420653 is about 7577.6416515958. The cubic root of 57420653 is about 385.7945092720.

The spelling of 57420653 in words is "fifty-seven million, four hundred twenty thousand, six hundred fifty-three".