52021525771 has 16 divisors (see below), whose sum is σ = 54248313600. Its totient is φ = 49843448928.

The previous prime is 52021525739. The next prime is 52021525781. The reversal of 52021525771 is 17752512025.

It is a cyclic number.

It is not a de Polignac number, because 52021525771 - 2⁵ = 52021525739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52021525771.

It is not an unprimeable number, because it can be changed into a prime (52021525781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644040 + ... + 720298.

It is an arithmetic number, because the mean of its divisors is an integer number (3390519600).

Almost surely, 2^52021525771 is an apocalyptic number.

52021525771 is a deficient number, since it is larger than the sum of its proper divisors (2226787829).

52021525771 is a wasteful number, since it uses less digits than its factorization.

52021525771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76578.

The product of its (nonzero) digits is 49000, while the sum is 37.

The spelling of 52021525771 in words is "fifty-two billion, twenty-one million, five hundred twenty-five thousand, seven hundred seventy-one".