57045787 has 2 divisors, whose sum is σ = 57045788. Its totient is φ = 57045786.

The previous prime is 57045763. The next prime is 57045799. The reversal of 57045787 is 78754075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57045787 - 2¹⁹ = 56521499 is a prime.

It is not a weakly prime, because it can be changed into another prime (57045757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28522893 + 28522894.

It is an arithmetic number, because the mean of its divisors is an integer number (28522894).

Almost surely, 2^57045787 is an apocalyptic number.

57045787 is a deficient number, since it is larger than the sum of its proper divisors (1).

57045787 is an equidigital number, since it uses as much as digits as its factorization.

57045787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 57045787 is about 7552.8661447162. The cubic root of 57045787 is about 384.9531331043.

The spelling of 57045787 in words is "fifty-seven million, forty-five thousand, seven hundred eighty-seven".