53177203205 has 12 divisors (see below), whose sum is σ = 74231035020. Its totient is φ = 36464367744.

The previous prime is 53177203171. The next prime is 53177203217. The reversal of 53177203205 is 50230277135.

It can be written as a sum of positive squares in 2 ways, for example, as 38440699969 + 14736503236 = 196063^2 + 121394^2 .

It is a de Polignac number, because none of the positive numbers 2^k-53177203205 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108524660 + ... + 108525149.

It is an arithmetic number, because the mean of its divisors is an integer number (6185919585).

Almost surely, 2^53177203205 is an apocalyptic number.

It is an amenable number.

53177203205 is a deficient number, since it is larger than the sum of its proper divisors (21053831815).

53177203205 is a wasteful number, since it uses less digits than its factorization.

53177203205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217049828 (or 217049821 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The spelling of 53177203205 in words is "fifty-three billion, one hundred seventy-seven million, two hundred three thousand, two hundred five".