5257805555097 has 24 divisors (see below), whose sum is σ = 8027773353600. Its totient is φ = 3306825049248.

The previous prime is 5257805554993. The next prime is 5257805555137. The reversal of 5257805555097 is 7905555087525.

It is a happy number.

5257805555097 is a `hidden beast` number, since 5 + 2 + 5 + 78 + 0 + 5 + 5 + 550 + 9 + 7 = 666.

It is not a de Polignac number, because 5257805555097 - 2¹⁰ = 5257805554073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5257805550097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64284238 + ... + 64365975.

It is an arithmetic number, because the mean of its divisors is an integer number (334490556400).

Almost surely, 2^{5257805555097} is an apocalyptic number.

5257805555097 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

5257805555097 is a deficient number, since it is larger than the sum of its proper divisors (2769967798503).

5257805555097 is a wasteful number, since it uses less digits than its factorization.

5257805555097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128650477 (or 128650474 counting only the distinct ones).

The product of its (nonzero) digits is 110250000, while the sum is 63.

The spelling of 5257805555097 in words is "five trillion, two hundred fifty-seven billion, eight hundred five million, five hundred fifty-five thousand, ninety-seven".