57553785503 has 2 divisors, whose sum is σ = 57553785504. Its totient is φ = 57553785502.

The previous prime is 57553785491. The next prime is 57553785521. The reversal of 57553785503 is 30558735575.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57553785503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57553785593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28776892751 + 28776892752.

It is an arithmetic number, because the mean of its divisors is an integer number (28776892752).

Almost surely, 2^57553785503 is an apocalyptic number.

57553785503 is a deficient number, since it is larger than the sum of its proper divisors (1).

57553785503 is an equidigital number, since it uses as much as digits as its factorization.

57553785503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025000, while the sum is 53.

The spelling of 57553785503 in words is "fifty-seven billion, five hundred fifty-three million, seven hundred eighty-five thousand, five hundred three".