52706397515 has 4 divisors (see below), whose sum is σ = 63247677024. Its totient is φ = 42165118008.

The previous prime is 52706397503. The next prime is 52706397521. The reversal of 52706397515 is 51579360725.

52706397515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52706397515 - 2⁶ = 52706397451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5270639747 + ... + 5270639756.

It is an arithmetic number, because the mean of its divisors is an integer number (15811919256).

Almost surely, 2^52706397515 is an apocalyptic number.

52706397515 is a deficient number, since it is larger than the sum of its proper divisors (10541279509).

52706397515 is a wasteful number, since it uses less digits than its factorization.

52706397515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10541279508.

The product of its (nonzero) digits is 1984500, while the sum is 50.

The spelling of 52706397515 in words is "fifty-two billion, seven hundred six million, three hundred ninety-seven thousand, five hundred fifteen".