57039803 has 2 divisors, whose sum is σ = 57039804. Its totient is φ = 57039802.

The previous prime is 57039751. The next prime is 57039821. The reversal of 57039803 is 30893075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57039803 - 2⁸ = 57039547 is a prime.

It is not a weakly prime, because it can be changed into another prime (57039823) 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, 28519901 + 28519902.

It is an arithmetic number, because the mean of its divisors is an integer number (28519902).

Almost surely, 2^57039803 is an apocalyptic number.

57039803 is a deficient number, since it is larger than the sum of its proper divisors (1).

57039803 is an equidigital number, since it uses as much as digits as its factorization.

57039803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 57039803 is about 7552.4699933201. The cubic root of 57039803 is about 384.9396723375.

The spelling of 57039803 in words is "fifty-seven million, thirty-nine thousand, eight hundred three".