5257557553 has 2 divisors, whose sum is σ = 5257557554. Its totient is φ = 5257557552.

The previous prime is 5257557541. The next prime is 5257557577. The reversal of 5257557553 is 3557557525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5229169969 + 28387584 = 72313^2 + 5328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5257557553 is a prime.

It is a super-2 number, since 2×5257557553² = 55283822846214695618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5257557497 and 5257557506.

It is not a weakly prime, because it can be changed into another prime (5257557593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628778776 + 2628778777.

It is an arithmetic number, because the mean of its divisors is an integer number (2628778777).

Almost surely, 2^5257557553 is an apocalyptic number.

It is an amenable number.

5257557553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257557553 is an equidigital number, since it uses as much as digits as its factorization.

5257557553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4593750, while the sum is 49.

The square root of 5257557553 is about 72509.0170461578. The cubic root of 5257557553 is about 1738.8468989521.

The spelling of 5257557553 in words is "five billion, two hundred fifty-seven million, five hundred fifty-seven thousand, five hundred fifty-three".