52645278508 has 12 divisors (see below), whose sum is σ = 96978144760. Its totient is φ = 24937237152.

The previous prime is 52645278457. The next prime is 52645278509. The reversal of 52645278508 is 80587254625.

It is not an unprimeable number, because it can be changed into a prime (52645278509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346350441 + ... + 346350592.

Almost surely, 2^52645278508 is an apocalyptic number.

It is an amenable number.

52645278508 is a deficient number, since it is larger than the sum of its proper divisors (44332866252).

52645278508 is a wasteful number, since it uses less digits than its factorization.

52645278508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692701056 (or 692701054 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 52645278508 in words is "fifty-two billion, six hundred forty-five million, two hundred seventy-eight thousand, five hundred eight".