5220511657 has 16 divisors (see below), whose sum is σ = 5581578240. Its totient is φ = 4865591808.

The previous prime is 5220511613. The next prime is 5220511669. The reversal of 5220511657 is 7561150225.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5220511657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5220511057) 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 in 15 ways as a sum of consecutive naturals, for example, 1330144 + ... + 1334062.

It is an arithmetic number, because the mean of its divisors is an integer number (348848640).

Almost surely, 2^5220511657 is an apocalyptic number.

It is an amenable number.

5220511657 is a deficient number, since it is larger than the sum of its proper divisors (361066583).

5220511657 is a wasteful number, since it uses less digits than its factorization.

5220511657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 5220511657 is about 72253.1082860800. The cubic root of 5220511657 is about 1734.7531707101.

The spelling of 5220511657 in words is "five billion, two hundred twenty million, five hundred eleven thousand, six hundred fifty-seven".