52438366657 has 12 divisors (see below), whose sum is σ = 53706923904. Its totient is φ = 51199124760.

The previous prime is 52438366639. The next prime is 52438366667. The reversal of 52438366657 is 75666383425.

52438366657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52438366657 - 2¹⁵ = 52438333889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52438366598 and 52438366607.

It is not an unprimeable number, because it can be changed into a prime (52438366667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7819768 + ... + 7826470.

It is an arithmetic number, because the mean of its divisors is an integer number (4475576992).

Almost surely, 2^52438366657 is an apocalyptic number.

It is an amenable number.

52438366657 is a deficient number, since it is larger than the sum of its proper divisors (1268557247).

52438366657 is an equidigital number, since it uses as much as digits as its factorization.

52438366657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020 (or 10977 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 55.

The spelling of 52438366657 in words is "fifty-two billion, four hundred thirty-eight million, three hundred sixty-six thousand, six hundred fifty-seven".