52711783521 has 8 divisors (see below), whose sum is σ = 70483761600. Its totient is φ = 35040497232.

The previous prime is 52711783519. The next prime is 52711783541. The reversal of 52711783521 is 12538711725.

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

It is not a de Polignac number, because 52711783521 - 2¹ = 52711783519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52711783511) 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, 25171725 + ... + 25173818.

It is an arithmetic number, because the mean of its divisors is an integer number (8810470200).

Almost surely, 2^52711783521 is an apocalyptic number.

It is an amenable number.

52711783521 is a deficient number, since it is larger than the sum of its proper divisors (17771978079).

52711783521 is a wasteful number, since it uses less digits than its factorization.

52711783521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50345895.

The product of its digits is 117600, while the sum is 42.

The spelling of 52711783521 in words is "fifty-two billion, seven hundred eleven million, seven hundred eighty-three thousand, five hundred twenty-one".