53173895620 has 24 divisors (see below), whose sum is σ = 111879531288. Its totient is φ = 21228729600.

The previous prime is 53173895609. The next prime is 53173895629. The reversal of 53173895620 is 2659837135.

It can be written as a sum of positive squares in 4 ways, for example, as 898560576 + 52275335044 = 29976^2 + 228638^2 .

It is not an unprimeable number, because it can be changed into a prime (53173895629) 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, 2541111 + ... + 2561950.

It is an arithmetic number, because the mean of its divisors is an integer number (4661647137).

Almost surely, 2^53173895620 is an apocalyptic number.

It is an amenable number.

53173895620 is an abundant number, since it is smaller than the sum of its proper divisors (58705635668).

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

53173895620 is a wasteful number, since it uses less digits than its factorization.

53173895620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103591 (or 5103589 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 53173895620 in words is "fifty-three billion, one hundred seventy-three million, eight hundred ninety-five thousand, six hundred twenty".