52522840420 has 24 divisors (see below), whose sum is σ = 110466901944. Its totient is φ = 20976957696.

The previous prime is 52522840387. The next prime is 52522840429. The reversal of 52522840420 is 2404822525.

52522840420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9749982564 + 42772857856 = 98742^2 + 206816^2 .

It is not an unprimeable number, because it can be changed into a prime (52522840429) 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, 1997769 + ... + 2023888.

It is an arithmetic number, because the mean of its divisors is an integer number (4602787581).

Almost surely, 2^52522840420 is an apocalyptic number.

It is an amenable number.

52522840420 is an abundant number, since it is smaller than the sum of its proper divisors (57944061524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52522840420 is a wasteful number, since it uses less digits than its factorization.

52522840420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022319 (or 4022317 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

The spelling of 52522840420 in words is "fifty-two billion, five hundred twenty-two million, eight hundred forty thousand, four hundred twenty".