57449204587 has 2 divisors, whose sum is σ = 57449204588. Its totient is φ = 57449204586.

The previous prime is 57449204531. The next prime is 57449204591. The reversal of 57449204587 is 78540294475.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57449204587 is a prime.

It is a super-2 number, since 2×57449204587² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57449204597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28724602293 + 28724602294.

It is an arithmetic number, because the mean of its divisors is an integer number (28724602294).

Almost surely, 2^57449204587 is an apocalyptic number.

57449204587 is a deficient number, since it is larger than the sum of its proper divisors (1).

57449204587 is an equidigital number, since it uses as much as digits as its factorization.

57449204587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 57449204587 in words is "fifty-seven billion, four hundred forty-nine million, two hundred four thousand, five hundred eighty-seven".