57045997 has 2 divisors, whose sum is σ = 57045998. Its totient is φ = 57045996.

The previous prime is 57045973. The next prime is 57046001. The reversal of 57045997 is 79954075.

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., 52577001 + 4468996 = 7251^2 + 2114^2 .

It is a cyclic number.

It is not a de Polignac number, because 57045997 - 2⁷ = 57045869 is a prime.

It is equal to p_3396997 and since 57045997 and 3396997 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57045917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28522998 + 28522999.

It is an arithmetic number, because the mean of its divisors is an integer number (28522999).

Almost surely, 2^57045997 is an apocalyptic number.

It is an amenable number.

57045997 is a deficient number, since it is larger than the sum of its proper divisors (1).

57045997 is an equidigital number, since it uses as much as digits as its factorization.

57045997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 57045997 is about 7552.8800467107. The cubic root of 57045997 is about 384.9536054737.

The spelling of 57045997 in words is "fifty-seven million, forty-five thousand, nine hundred ninety-seven".