5257557555 has 16 divisors (see below), whose sum is σ = 8554671360. Its totient is φ = 2756504288.

The previous prime is 5257557553. The next prime is 5257557577. The reversal of 5257557555 is 5557557525.

It is a cyclic number.

It is not a de Polignac number, because 5257557555 - 2¹ = 5257557553 is a prime.

It is a super-2 number, since 2×5257557555² = 55283822888275156050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5257557498 and 5257557507.

It is not an unprimeable number, because it can be changed into a prime (5257557553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2969487 + ... + 2971256.

It is an arithmetic number, because the mean of its divisors is an integer number (534666960).

Almost surely, 2^5257557555 is an apocalyptic number.

5257557555 is a deficient number, since it is larger than the sum of its proper divisors (3297113805).

5257557555 is a wasteful number, since it uses less digits than its factorization.

5257557555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940810.

The product of its digits is 7656250, while the sum is 51.

The square root of 5257557555 is about 72509.0170599492. The cubic root of 5257557555 is about 1738.8468991726.

The spelling of 5257557555 in words is "five billion, two hundred fifty-seven million, five hundred fifty-seven thousand, five hundred fifty-five".