52020053140 has 48 divisors (see below), whose sum is σ = 119238666624. Its totient is φ = 18905993600.

The previous prime is 52020053117. The next prime is 52020053179. The reversal of 52020053140 is 4135002025.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342330 + ... + 470350.

It is an arithmetic number, because the mean of its divisors is an integer number (2484138888).

Almost surely, 2^52020053140 is an apocalyptic number.

It is an amenable number.

52020053140 is an abundant number, since it is smaller than the sum of its proper divisors (67218613484).

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

52020053140 is a wasteful number, since it uses less digits than its factorization.

52020053140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129888 (or 129886 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 52020053140 its reverse (4135002025), we get a palindrome (56155055165).

The spelling of 52020053140 in words is "fifty-two billion, twenty million, fifty-three thousand, one hundred forty".