57422737 has 2 divisors, whose sum is σ = 57422738. Its totient is φ = 57422736.

The previous prime is 57422713. The next prime is 57422851. The reversal of 57422737 is 73722475.

57422737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57168721 + 254016 = 7561^2 + 504^2 .

It is a cyclic number.

It is not a de Polignac number, because 57422737 - 2⁷ = 57422609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57422696 and 57422705.

It is not a weakly prime, because it can be changed into another prime (57422537) 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, 28711368 + 28711369.

It is an arithmetic number, because the mean of its divisors is an integer number (28711369).

Almost surely, 2^57422737 is an apocalyptic number.

It is an amenable number.

57422737 is a deficient number, since it is larger than the sum of its proper divisors (1).

57422737 is an equidigital number, since it uses as much as digits as its factorization.

57422737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82320, while the sum is 37.

The square root of 57422737 is about 7577.7791601498. The cubic root of 57422737 is about 385.7991765011.

The spelling of 57422737 in words is "fifty-seven million, four hundred twenty-two thousand, seven hundred thirty-seven".