52640267793 has 8 divisors (see below), whose sum is σ = 70188207648. Its totient is φ = 35092919904.

The previous prime is 52640267791. The next prime is 52640267843. The reversal of 52640267793 is 39776204625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52640267793 - 2¹ = 52640267791 is a prime.

It is a super-3 number, since 3×52640267793³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (52640267791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139021 + ... + 352997.

It is an arithmetic number, because the mean of its divisors is an integer number (8773525956).

Almost surely, 2^52640267793 is an apocalyptic number.

It is an amenable number.

52640267793 is a deficient number, since it is larger than the sum of its proper divisors (17547939855).

52640267793 is a wasteful number, since it uses less digits than its factorization.

52640267793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295983.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 52640267793 in words is "fifty-two billion, six hundred forty million, two hundred sixty-seven thousand, seven hundred ninety-three".