52505020513 has 8 divisors (see below), whose sum is σ = 57407505696. Its totient is φ = 47624085600.

The previous prime is 52505020499. The next prime is 52505020583. The reversal of 52505020513 is 31502050525.

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

It is a cyclic number.

It is not a de Polignac number, because 52505020513 - 2⁵ = 52505020481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52505020583) 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, 5382468 + ... + 5392213.

It is an arithmetic number, because the mean of its divisors is an integer number (7175938212).

Almost surely, 2^52505020513 is an apocalyptic number.

It is an amenable number.

52505020513 is a deficient number, since it is larger than the sum of its proper divisors (4902485183).

52505020513 is a wasteful number, since it uses less digits than its factorization.

52505020513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10775135.

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 52505020513 in words is "fifty-two billion, five hundred five million, twenty thousand, five hundred thirteen".