52500277780 has 24 divisors (see below), whose sum is σ = 112939623720. Its totient is φ = 20487912960.

The previous prime is 52500277777. The next prime is 52500277801. The reversal of 52500277780 is 8777200525.

It can be written as a sum of positive squares in 4 ways, for example, as 3236699664 + 49263578116 = 56892^2 + 221954^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32011545 + ... + 32013184.

It is an arithmetic number, because the mean of its divisors is an integer number (4705817655).

Almost surely, 2^52500277780 is an apocalyptic number.

It is an amenable number.

52500277780 is an abundant number, since it is smaller than the sum of its proper divisors (60439345940).

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

52500277780 is a wasteful number, since it uses less digits than its factorization.

52500277780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64024779 (or 64024777 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 43.

The spelling of 52500277780 in words is "fifty-two billion, five hundred million, two hundred seventy-seven thousand, seven hundred eighty".