57426403 has 2 divisors, whose sum is σ = 57426404. Its totient is φ = 57426402.

The previous prime is 57426373. The next prime is 57426419. The reversal of 57426403 is 30462475.

57426403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57426403 - 2⁹ = 57425891 is a prime.

It is not a weakly prime, because it can be changed into another prime (57426503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28713201 + 28713202.

It is an arithmetic number, because the mean of its divisors is an integer number (28713202).

Almost surely, 2^57426403 is an apocalyptic number.

57426403 is a deficient number, since it is larger than the sum of its proper divisors (1).

57426403 is an equidigital number, since it uses as much as digits as its factorization.

57426403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 57426403 is about 7578.0210477406. The cubic root of 57426403 is about 385.8073864295.

Adding to 57426403 its reverse (30462475), we get a palindrome (87888878).

The spelling of 57426403 in words is "fifty-seven million, four hundred twenty-six thousand, four hundred three".