5023553657 has 2 divisors, whose sum is σ = 5023553658. Its totient is φ = 5023553656.

The previous prime is 5023553653. The next prime is 5023553663. The reversal of 5023553657 is 7563553205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5003581696 + 19971961 = 70736^2 + 4469^2 .

It is a cyclic number.

It is not a de Polignac number, because 5023553657 - 2² = 5023553653 is a prime.

It is not a weakly prime, because it can be changed into another prime (5023553653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2511776828 + 2511776829.

It is an arithmetic number, because the mean of its divisors is an integer number (2511776829).

Almost surely, 2^5023553657 is an apocalyptic number.

It is an amenable number.

5023553657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5023553657 is an equidigital number, since it uses as much as digits as its factorization.

5023553657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472500, while the sum is 41.

The square root of 5023553657 is about 70877.0319426540. The cubic root of 5023553657 is about 1712.6568205759.

The spelling of 5023553657 in words is "five billion, twenty-three million, five hundred fifty-three thousand, six hundred fifty-seven".